Home / 488,289.20-732,433.80-409,557.20

Finding the Fourth Proportional to 488,289.20, 732,433.80 and 409,557.20

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Solution

The fourth proportional to 488,289.20, 732,433.80 and 409,557.20 is: 614,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,289.20 : 732,433.80 = 409,557.20 : x
  2. Step 2: Convert to fraction form
    488,289.20/732,433.80 = 409,557.20/x
  3. Step 3: Cross multiply
    488,289.20x = 732,433.80 × 409,557.20
  4. Step 4: Simplify right side
    488,289.20x = 299,973,536,313.36
  5. Step 5: Solve for x
    x = 299,973,536,313.36/488,289.20
  6. Step 6: Final answer
    x = 614,335.80

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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.