Home / 748,287.80-1,032,598.56-408,690.44

Finding the Fourth Proportional to 748,287.80, 1,032,598.56 and 408,690.44

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Solution

The fourth proportional to 748,287.80, 1,032,598.56 and 408,690.44 is: 563,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,287.80 : 1,032,598.56 = 408,690.44 : x
  2. Step 2: Convert to fraction form
    748,287.80/1,032,598.56 = 408,690.44/x
  3. Step 3: Cross multiply
    748,287.80x = 1,032,598.56 × 408,690.44
  4. Step 4: Simplify right side
    748,287.80x = 422,013,159,829.77
  5. Step 5: Solve for x
    x = 422,013,159,829.77/748,287.80
  6. Step 6: Final answer
    x = 563,971.72

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Double scale
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1.5x scale

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.