Home / 692,557.70-1,038,836.55-664,564.10

Finding the Fourth Proportional to 692,557.70, 1,038,836.55 and 664,564.10

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Solution

The fourth proportional to 692,557.70, 1,038,836.55 and 664,564.10 is: 996,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,557.70 : 1,038,836.55 = 664,564.10 : x
  2. Step 2: Convert to fraction form
    692,557.70/1,038,836.55 = 664,564.10/x
  3. Step 3: Cross multiply
    692,557.70x = 1,038,836.55 × 664,564.10
  4. Step 4: Simplify right side
    692,557.70x = 690,373,476,897.86
  5. Step 5: Solve for x
    x = 690,373,476,897.86/692,557.70
  6. Step 6: Final answer
    x = 996,846.15

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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.