Home / 914,605.20-1,371,907.80-283,712.40

Finding the Fourth Proportional to 914,605.20, 1,371,907.80 and 283,712.40

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Solution

The fourth proportional to 914,605.20, 1,371,907.80 and 283,712.40 is: 425,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,605.20 : 1,371,907.80 = 283,712.40 : x
  2. Step 2: Convert to fraction form
    914,605.20/1,371,907.80 = 283,712.40/x
  3. Step 3: Cross multiply
    914,605.20x = 1,371,907.80 × 283,712.40
  4. Step 4: Simplify right side
    914,605.20x = 389,227,254,516.72
  5. Step 5: Solve for x
    x = 389,227,254,516.72/914,605.20
  6. Step 6: Final answer
    x = 425,568.60

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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.