Home / 932,139.60-1,397,287.80-370,424.40

Finding the Fourth Proportional to 932,139.60, 1,397,287.80 and 370,424.40

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Solution

The fourth proportional to 932,139.60, 1,397,287.80 and 370,424.40 is: 555,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,139.60 : 1,397,287.80 = 370,424.40 : x
  2. Step 2: Convert to fraction form
    932,139.60/1,397,287.80 = 370,424.40/x
  3. Step 3: Cross multiply
    932,139.60x = 1,397,287.80 × 370,424.40
  4. Step 4: Simplify right side
    932,139.60x = 517,589,494,942.32
  5. Step 5: Solve for x
    x = 517,589,494,942.32/932,139.60
  6. Step 6: Final answer
    x = 555,270.36

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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.