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Finding the Fourth Proportional to 488,520.30, 732,780.45 and 346,802.70

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Solution

The fourth proportional to 488,520.30, 732,780.45 and 346,802.70 is: 520,204.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,520.30 : 732,780.45 = 346,802.70 : x
  2. Step 2: Convert to fraction form
    488,520.30/732,780.45 = 346,802.70/x
  3. Step 3: Cross multiply
    488,520.30x = 732,780.45 × 346,802.70
  4. Step 4: Simplify right side
    488,520.30x = 254,130,238,567.22
  5. Step 5: Solve for x
    x = 254,130,238,567.22/488,520.30
  6. Step 6: Final answer
    x = 520,204.05

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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.