Home / 761,362.07-1,050,679.51-455,451.35

Finding the Fourth Proportional to 761,362.07, 1,050,679.51 and 455,451.35

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Solution

The fourth proportional to 761,362.07, 1,050,679.51 and 455,451.35 is: 628,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,362.07 : 1,050,679.51 = 455,451.35 : x
  2. Step 2: Convert to fraction form
    761,362.07/1,050,679.51 = 455,451.35/x
  3. Step 3: Cross multiply
    761,362.07x = 1,050,679.51 × 455,451.35
  4. Step 4: Simplify right side
    761,362.07x = 478,533,393,716.18
  5. Step 5: Solve for x
    x = 478,533,393,716.18/761,362.07
  6. Step 6: Final answer
    x = 628,522.77

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Double scale
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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.