Home / 685,368.60-1,025,720.10-601,387.80

Finding the Fourth Proportional to 685,368.60, 1,025,720.10 and 601,387.80

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Solution

The fourth proportional to 685,368.60, 1,025,720.10 and 601,387.80 is: 900,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,368.60 : 1,025,720.10 = 601,387.80 : x
  2. Step 2: Convert to fraction form
    685,368.60/1,025,720.10 = 601,387.80/x
  3. Step 3: Cross multiply
    685,368.60x = 1,025,720.10 × 601,387.80
  4. Step 4: Simplify right side
    685,368.60x = 616,855,554,354.78
  5. Step 5: Solve for x
    x = 616,855,554,354.78/685,368.60
  6. Step 6: Final answer
    x = 900,034.75

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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.