Home / 771,258.20-1,156,541.70-297,786.20

Finding the Fourth Proportional to 771,258.20, 1,156,541.70 and 297,786.20

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Solution

The fourth proportional to 771,258.20, 1,156,541.70 and 297,786.20 is: 446,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,258.20 : 1,156,541.70 = 297,786.20 : x
  2. Step 2: Convert to fraction form
    771,258.20/1,156,541.70 = 297,786.20/x
  3. Step 3: Cross multiply
    771,258.20x = 1,156,541.70 × 297,786.20
  4. Step 4: Simplify right side
    771,258.20x = 344,402,157,984.54
  5. Step 5: Solve for x
    x = 344,402,157,984.54/771,258.20
  6. Step 6: Final answer
    x = 446,545.86

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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.