Home / 739,763.08-1,020,926.94-417,501.28

Finding the Fourth Proportional to 739,763.08, 1,020,926.94 and 417,501.28

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Solution

The fourth proportional to 739,763.08, 1,020,926.94 and 417,501.28 is: 576,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,763.08 : 1,020,926.94 = 417,501.28 : x
  2. Step 2: Convert to fraction form
    739,763.08/1,020,926.94 = 417,501.28/x
  3. Step 3: Cross multiply
    739,763.08x = 1,020,926.94 × 417,501.28
  4. Step 4: Simplify right side
    739,763.08x = 426,238,304,236.48
  5. Step 5: Solve for x
    x = 426,238,304,236.48/739,763.08
  6. Step 6: Final answer
    x = 576,182.18

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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.