Home / 767,211.60-1,152,129.60-502,147.20

Finding the Fourth Proportional to 767,211.60, 1,152,129.60 and 502,147.20

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Solution

The fourth proportional to 767,211.60, 1,152,129.60 and 502,147.20 is: 754,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,211.60 : 1,152,129.60 = 502,147.20 : x
  2. Step 2: Convert to fraction form
    767,211.60/1,152,129.60 = 502,147.20/x
  3. Step 3: Cross multiply
    767,211.60x = 1,152,129.60 × 502,147.20
  4. Step 4: Simplify right side
    767,211.60x = 578,538,652,677.12
  5. Step 5: Solve for x
    x = 578,538,652,677.12/767,211.60
  6. Step 6: Final answer
    x = 754,079.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.