Home / 915,904.80-1,264,574.16-572,263.92

Finding the Fourth Proportional to 915,904.80, 1,264,574.16 and 572,263.92

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Solution

The fourth proportional to 915,904.80, 1,264,574.16 and 572,263.92 is: 790,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,904.80 : 1,264,574.16 = 572,263.92 : x
  2. Step 2: Convert to fraction form
    915,904.80/1,264,574.16 = 572,263.92/x
  3. Step 3: Cross multiply
    915,904.80x = 1,264,574.16 × 572,263.92
  4. Step 4: Simplify right side
    915,904.80x = 723,670,165,932.31
  5. Step 5: Solve for x
    x = 723,670,165,932.31/915,904.80
  6. Step 6: Final answer
    x = 790,115.05

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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.