Home / 646,822.40-970,233.60-292,006.40

Finding the Fourth Proportional to 646,822.40, 970,233.60 and 292,006.40

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Solution

The fourth proportional to 646,822.40, 970,233.60 and 292,006.40 is: 438,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,822.40 : 970,233.60 = 292,006.40 : x
  2. Step 2: Convert to fraction form
    646,822.40/970,233.60 = 292,006.40/x
  3. Step 3: Cross multiply
    646,822.40x = 970,233.60 × 292,006.40
  4. Step 4: Simplify right side
    646,822.40x = 283,314,420,695.04
  5. Step 5: Solve for x
    x = 283,314,420,695.04/646,822.40
  6. Step 6: Final answer
    x = 438,009.60

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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.