Home / 787,519.60-1,182,154.20-433,225.60

Finding the Fourth Proportional to 787,519.60, 1,182,154.20 and 433,225.60

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Solution

The fourth proportional to 787,519.60, 1,182,154.20 and 433,225.60 is: 650,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,519.60 : 1,182,154.20 = 433,225.60 : x
  2. Step 2: Convert to fraction form
    787,519.60/1,182,154.20 = 433,225.60/x
  3. Step 3: Cross multiply
    787,519.60x = 1,182,154.20 × 433,225.60
  4. Step 4: Simplify right side
    787,519.60x = 512,139,462,587.52
  5. Step 5: Solve for x
    x = 512,139,462,587.52/787,519.60
  6. Step 6: Final answer
    x = 650,319.64

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Double scale
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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.