Home / 778,376.72-1,167,565.10-358,006.16

Finding the Fourth Proportional to 778,376.72, 1,167,565.10 and 358,006.16

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Solution

The fourth proportional to 778,376.72, 1,167,565.10 and 358,006.16 is: 537,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,376.72 : 1,167,565.10 = 358,006.16 : x
  2. Step 2: Convert to fraction form
    778,376.72/1,167,565.10 = 358,006.16/x
  3. Step 3: Cross multiply
    778,376.72x = 1,167,565.10 × 358,006.16
  4. Step 4: Simplify right side
    778,376.72x = 417,995,498,001.02
  5. Step 5: Solve for x
    x = 417,995,498,001.02/778,376.72
  6. Step 6: Final answer
    x = 537,009.25

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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.