Home / 829,314.78-1,144,807.54-557,540.28

Finding the Fourth Proportional to 829,314.78, 1,144,807.54 and 557,540.28

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Solution

The fourth proportional to 829,314.78, 1,144,807.54 and 557,540.28 is: 769,643.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,314.78 : 1,144,807.54 = 557,540.28 : x
  2. Step 2: Convert to fraction form
    829,314.78/1,144,807.54 = 557,540.28/x
  3. Step 3: Cross multiply
    829,314.78x = 1,144,807.54 × 557,540.28
  4. Step 4: Simplify right side
    829,314.78x = 638,276,316,397.71
  5. Step 5: Solve for x
    x = 638,276,316,397.71/829,314.78
  6. Step 6: Final answer
    x = 769,643.00

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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.