Home / 739,541.04-1,020,565.89-400,008.48

Finding the Fourth Proportional to 739,541.04, 1,020,565.89 and 400,008.48

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Solution

The fourth proportional to 739,541.04, 1,020,565.89 and 400,008.48 is: 552,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,541.04 : 1,020,565.89 = 400,008.48 : x
  2. Step 2: Convert to fraction form
    739,541.04/1,020,565.89 = 400,008.48/x
  3. Step 3: Cross multiply
    739,541.04x = 1,020,565.89 × 400,008.48
  4. Step 4: Simplify right side
    739,541.04x = 408,235,010,398.75
  5. Step 5: Solve for x
    x = 408,235,010,398.75/739,541.04
  6. Step 6: Final answer
    x = 552,011.30

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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.