Home / 465,123.40-697,685.10-458,902.60

Finding the Fourth Proportional to 465,123.40, 697,685.10 and 458,902.60

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Solution

The fourth proportional to 465,123.40, 697,685.10 and 458,902.60 is: 688,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,123.40 : 697,685.10 = 458,902.60 : x
  2. Step 2: Convert to fraction form
    465,123.40/697,685.10 = 458,902.60/x
  3. Step 3: Cross multiply
    465,123.40x = 697,685.10 × 458,902.60
  4. Step 4: Simplify right side
    465,123.40x = 320,169,506,371.26
  5. Step 5: Solve for x
    x = 320,169,506,371.26/465,123.40
  6. Step 6: Final answer
    x = 688,353.90

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Similar ratio
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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.