Home / 746,141.61-1,029,547.13-419,409.29

Finding the Fourth Proportional to 746,141.61, 1,029,547.13 and 419,409.29

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Solution

The fourth proportional to 746,141.61, 1,029,547.13 and 419,409.29 is: 578,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,141.61 : 1,029,547.13 = 419,409.29 : x
  2. Step 2: Convert to fraction form
    746,141.61/1,029,547.13 = 419,409.29/x
  3. Step 3: Cross multiply
    746,141.61x = 1,029,547.13 × 419,409.29
  4. Step 4: Simplify right side
    746,141.61x = 431,801,635,098.64
  5. Step 5: Solve for x
    x = 431,801,635,098.64/746,141.61
  6. Step 6: Final answer
    x = 578,712.71

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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.