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Finding the Fourth Proportional to 663,349.20, 995,434.20 and 348,032.40

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Solution

The fourth proportional to 663,349.20, 995,434.20 and 348,032.40 is: 522,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,349.20 : 995,434.20 = 348,032.40 : x
  2. Step 2: Convert to fraction form
    663,349.20/995,434.20 = 348,032.40/x
  3. Step 3: Cross multiply
    663,349.20x = 995,434.20 × 348,032.40
  4. Step 4: Simplify right side
    663,349.20x = 346,443,353,668.08
  5. Step 5: Solve for x
    x = 346,443,353,668.08/663,349.20
  6. Step 6: Final answer
    x = 522,263.92

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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.