Home / 932,109.80-1,398,164.70-370,855.40

Finding the Fourth Proportional to 932,109.80, 1,398,164.70 and 370,855.40

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Solution

The fourth proportional to 932,109.80, 1,398,164.70 and 370,855.40 is: 556,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,109.80 : 1,398,164.70 = 370,855.40 : x
  2. Step 2: Convert to fraction form
    932,109.80/1,398,164.70 = 370,855.40/x
  3. Step 3: Cross multiply
    932,109.80x = 1,398,164.70 × 370,855.40
  4. Step 4: Simplify right side
    932,109.80x = 518,516,929,084.38
  5. Step 5: Solve for x
    x = 518,516,929,084.38/932,109.80
  6. Step 6: Final answer
    x = 556,283.10

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Similar ratio
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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.