Home / 761,522.34-1,050,907.05-421,996.26

Finding the Fourth Proportional to 761,522.34, 1,050,907.05 and 421,996.26

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Solution

The fourth proportional to 761,522.34, 1,050,907.05 and 421,996.26 is: 582,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,522.34 : 1,050,907.05 = 421,996.26 : x
  2. Step 2: Convert to fraction form
    761,522.34/1,050,907.05 = 421,996.26/x
  3. Step 3: Cross multiply
    761,522.34x = 1,050,907.05 × 421,996.26
  4. Step 4: Simplify right side
    761,522.34x = 443,478,844,707.63
  5. Step 5: Solve for x
    x = 443,478,844,707.63/761,522.34
  6. Step 6: Final answer
    x = 582,358.29

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.