Home / 828,349.60-1,240,703.14-684,565.28

Finding the Fourth Proportional to 828,349.60, 1,240,703.14 and 684,565.28

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Solution

The fourth proportional to 828,349.60, 1,240,703.14 and 684,565.28 is: 1,025,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,349.60 : 1,240,703.14 = 684,565.28 : x
  2. Step 2: Convert to fraction form
    828,349.60/1,240,703.14 = 684,565.28/x
  3. Step 3: Cross multiply
    828,349.60x = 1,240,703.14 × 684,565.28
  4. Step 4: Simplify right side
    828,349.60x = 849,342,292,430.98
  5. Step 5: Solve for x
    x = 849,342,292,430.98/828,349.60
  6. Step 6: Final answer
    x = 1,025,342.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.