Home / 857,117.60-1,284,801.60-501,948.80

Finding the Fourth Proportional to 857,117.60, 1,284,801.60 and 501,948.80

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Solution

The fourth proportional to 857,117.60, 1,284,801.60 and 501,948.80 is: 752,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,117.60 : 1,284,801.60 = 501,948.80 : x
  2. Step 2: Convert to fraction form
    857,117.60/1,284,801.60 = 501,948.80/x
  3. Step 3: Cross multiply
    857,117.60x = 1,284,801.60 × 501,948.80
  4. Step 4: Simplify right side
    857,117.60x = 644,904,621,358.08
  5. Step 5: Solve for x
    x = 644,904,621,358.08/857,117.60
  6. Step 6: Final answer
    x = 752,410.90

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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.