Home / 832,373.40-1,148,679.30-469,812.60

Finding the Fourth Proportional to 832,373.40, 1,148,679.30 and 469,812.60

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Solution

The fourth proportional to 832,373.40, 1,148,679.30 and 469,812.60 is: 648,343.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,373.40 : 1,148,679.30 = 469,812.60 : x
  2. Step 2: Convert to fraction form
    832,373.40/1,148,679.30 = 469,812.60/x
  3. Step 3: Cross multiply
    832,373.40x = 1,148,679.30 × 469,812.60
  4. Step 4: Simplify right side
    832,373.40x = 539,664,008,499.18
  5. Step 5: Solve for x
    x = 539,664,008,499.18/832,373.40
  6. Step 6: Final answer
    x = 648,343.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.