Home / 715,565.60-1,073,348.40-435,629.60

Finding the Fourth Proportional to 715,565.60, 1,073,348.40 and 435,629.60

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Solution

The fourth proportional to 715,565.60, 1,073,348.40 and 435,629.60 is: 653,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,565.60 : 1,073,348.40 = 435,629.60 : x
  2. Step 2: Convert to fraction form
    715,565.60/1,073,348.40 = 435,629.60/x
  3. Step 3: Cross multiply
    715,565.60x = 1,073,348.40 × 435,629.60
  4. Step 4: Simplify right side
    715,565.60x = 467,582,334,152.64
  5. Step 5: Solve for x
    x = 467,582,334,152.64/715,565.60
  6. Step 6: Final answer
    x = 653,444.40

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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.