Home / 763,060.90-1,144,831.92-478,949.08

Finding the Fourth Proportional to 763,060.90, 1,144,831.92 and 478,949.08

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Solution

The fourth proportional to 763,060.90, 1,144,831.92 and 478,949.08 is: 718,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,060.90 : 1,144,831.92 = 478,949.08 : x
  2. Step 2: Convert to fraction form
    763,060.90/1,144,831.92 = 478,949.08/x
  3. Step 3: Cross multiply
    763,060.90x = 1,144,831.92 × 478,949.08
  4. Step 4: Simplify right side
    763,060.90x = 548,316,194,838.63
  5. Step 5: Solve for x
    x = 548,316,194,838.63/763,060.90
  6. Step 6: Final answer
    x = 718,574.62

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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.