Home / 761,434.02-1,050,778.17-421,902.27

Finding the Fourth Proportional to 761,434.02, 1,050,778.17 and 421,902.27

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Solution

The fourth proportional to 761,434.02, 1,050,778.17 and 421,902.27 is: 582,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,434.02 : 1,050,778.17 = 421,902.27 : x
  2. Step 2: Convert to fraction form
    761,434.02/1,050,778.17 = 421,902.27/x
  3. Step 3: Cross multiply
    761,434.02x = 1,050,778.17 × 421,902.27
  4. Step 4: Simplify right side
    761,434.02x = 443,325,695,189.45
  5. Step 5: Solve for x
    x = 443,325,695,189.45/761,434.02
  6. Step 6: Final answer
    x = 582,224.70

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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.