Home / 971,900.49-1,341,218.88-542,180.28

Finding the Fourth Proportional to 971,900.49, 1,341,218.88 and 542,180.28

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Solution

The fourth proportional to 971,900.49, 1,341,218.88 and 542,180.28 is: 748,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,900.49 : 1,341,218.88 = 542,180.28 : x
  2. Step 2: Convert to fraction form
    971,900.49/1,341,218.88 = 542,180.28/x
  3. Step 3: Cross multiply
    971,900.49x = 1,341,218.88 × 542,180.28
  4. Step 4: Simplify right side
    971,900.49x = 727,182,427,899.69
  5. Step 5: Solve for x
    x = 727,182,427,899.69/971,900.49
  6. Step 6: Final answer
    x = 748,206.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.