Home / 916,478.28-1,374,281.10-376,650.18

Finding the Fourth Proportional to 916,478.28, 1,374,281.10 and 376,650.18

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Solution

The fourth proportional to 916,478.28, 1,374,281.10 and 376,650.18 is: 564,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,478.28 : 1,374,281.10 = 376,650.18 : x
  2. Step 2: Convert to fraction form
    916,478.28/1,374,281.10 = 376,650.18/x
  3. Step 3: Cross multiply
    916,478.28x = 1,374,281.10 × 376,650.18
  4. Step 4: Simplify right side
    916,478.28x = 517,623,223,685.60
  5. Step 5: Solve for x
    x = 517,623,223,685.60/916,478.28
  6. Step 6: Final answer
    x = 564,795.95

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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.