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Finding the Fourth Proportional to 480,363.76, 720,519.65 and 243,700.29

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Solution

The fourth proportional to 480,363.76, 720,519.65 and 243,700.29 is: 365,537.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,363.76 : 720,519.65 = 243,700.29 : x
  2. Step 2: Convert to fraction form
    480,363.76/720,519.65 = 243,700.29/x
  3. Step 3: Cross multiply
    480,363.76x = 720,519.65 × 243,700.29
  4. Step 4: Simplify right side
    480,363.76x = 175,590,842,834.60
  5. Step 5: Solve for x
    x = 175,590,842,834.60/480,363.76
  6. Step 6: Final answer
    x = 365,537.24

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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.