Home / 739,220.36-1,020,118.16-429,151.72

Finding the Fourth Proportional to 739,220.36, 1,020,118.16 and 429,151.72

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Solution

The fourth proportional to 739,220.36, 1,020,118.16 and 429,151.72 is: 592,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,220.36 : 1,020,118.16 = 429,151.72 : x
  2. Step 2: Convert to fraction form
    739,220.36/1,020,118.16 = 429,151.72/x
  3. Step 3: Cross multiply
    739,220.36x = 1,020,118.16 × 429,151.72
  4. Step 4: Simplify right side
    739,220.36x = 437,785,459,326.47
  5. Step 5: Solve for x
    x = 437,785,459,326.47/739,220.36
  6. Step 6: Final answer
    x = 592,225.92

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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.