Home / 668,365.20-1,002,547.80-557,648.33

Finding the Fourth Proportional to 668,365.20, 1,002,547.80 and 557,648.33

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Solution

The fourth proportional to 668,365.20, 1,002,547.80 and 557,648.33 is: 836,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,365.20 : 1,002,547.80 = 557,648.33 : x
  2. Step 2: Convert to fraction form
    668,365.20/1,002,547.80 = 557,648.33/x
  3. Step 3: Cross multiply
    668,365.20x = 1,002,547.80 × 557,648.33
  4. Step 4: Simplify right side
    668,365.20x = 559,069,101,402.44
  5. Step 5: Solve for x
    x = 559,069,101,402.44/668,365.20
  6. Step 6: Final answer
    x = 836,472.49

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1.5x scale

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.