Home / 971,446.90-1,456,101.15-340,035.70

Finding the Fourth Proportional to 971,446.90, 1,456,101.15 and 340,035.70

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Solution

The fourth proportional to 971,446.90, 1,456,101.15 and 340,035.70 is: 509,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,446.90 : 1,456,101.15 = 340,035.70 : x
  2. Step 2: Convert to fraction form
    971,446.90/1,456,101.15 = 340,035.70/x
  3. Step 3: Cross multiply
    971,446.90x = 1,456,101.15 × 340,035.70
  4. Step 4: Simplify right side
    971,446.90x = 495,126,373,811.06
  5. Step 5: Solve for x
    x = 495,126,373,811.06/971,446.90
  6. Step 6: Final answer
    x = 509,679.30

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Double scale
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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.