Home / 489,127.64-674,710.17-307,552.10

Finding the Fourth Proportional to 489,127.64, 674,710.17 and 307,552.10

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Solution

The fourth proportional to 489,127.64, 674,710.17 and 307,552.10 is: 424,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,127.64 : 674,710.17 = 307,552.10 : x
  2. Step 2: Convert to fraction form
    489,127.64/674,710.17 = 307,552.10/x
  3. Step 3: Cross multiply
    489,127.64x = 674,710.17 × 307,552.10
  4. Step 4: Simplify right side
    489,127.64x = 207,508,529,674.86
  5. Step 5: Solve for x
    x = 207,508,529,674.86/489,127.64
  6. Step 6: Final answer
    x = 424,242.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.