Home / 748,124.70-1,120,607.55-495,526.20

Finding the Fourth Proportional to 748,124.70, 1,120,607.55 and 495,526.20

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Solution

The fourth proportional to 748,124.70, 1,120,607.55 and 495,526.20 is: 742,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,124.70 : 1,120,607.55 = 495,526.20 : x
  2. Step 2: Convert to fraction form
    748,124.70/1,120,607.55 = 495,526.20/x
  3. Step 3: Cross multiply
    748,124.70x = 1,120,607.55 × 495,526.20
  4. Step 4: Simplify right side
    748,124.70x = 555,290,400,942.81
  5. Step 5: Solve for x
    x = 555,290,400,942.81/748,124.70
  6. Step 6: Final answer
    x = 742,243.11

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Double scale
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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.