Home / 815,532.40-1,223,298.60-532,097.20

Finding the Fourth Proportional to 815,532.40, 1,223,298.60 and 532,097.20

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Solution

The fourth proportional to 815,532.40, 1,223,298.60 and 532,097.20 is: 798,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,532.40 : 1,223,298.60 = 532,097.20 : x
  2. Step 2: Convert to fraction form
    815,532.40/1,223,298.60 = 532,097.20/x
  3. Step 3: Cross multiply
    815,532.40x = 1,223,298.60 × 532,097.20
  4. Step 4: Simplify right side
    815,532.40x = 650,913,759,823.92
  5. Step 5: Solve for x
    x = 650,913,759,823.92/815,532.40
  6. Step 6: Final answer
    x = 798,145.80

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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.