Home / 859,966.08-1,187,284.32-554,150.40

Finding the Fourth Proportional to 859,966.08, 1,187,284.32 and 554,150.40

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Solution

The fourth proportional to 859,966.08, 1,187,284.32 and 554,150.40 is: 765,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,966.08 : 1,187,284.32 = 554,150.40 : x
  2. Step 2: Convert to fraction form
    859,966.08/1,187,284.32 = 554,150.40/x
  3. Step 3: Cross multiply
    859,966.08x = 1,187,284.32 × 554,150.40
  4. Step 4: Simplify right side
    859,966.08x = 657,934,080,841.73
  5. Step 5: Solve for x
    x = 657,934,080,841.73/859,966.08
  6. Step 6: Final answer
    x = 765,069.80

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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.