Home / 748,051.70-1,120,498.05-495,453.20

Finding the Fourth Proportional to 748,051.70, 1,120,498.05 and 495,453.20

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Solution

The fourth proportional to 748,051.70, 1,120,498.05 and 495,453.20 is: 742,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,051.70 : 1,120,498.05 = 495,453.20 : x
  2. Step 2: Convert to fraction form
    748,051.70/1,120,498.05 = 495,453.20/x
  3. Step 3: Cross multiply
    748,051.70x = 1,120,498.05 × 495,453.20
  4. Step 4: Simplify right side
    748,051.70x = 555,154,344,466.26
  5. Step 5: Solve for x
    x = 555,154,344,466.26/748,051.70
  6. Step 6: Final answer
    x = 742,133.66

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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.