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Finding the Fourth Proportional to 662,607.90, 994,041.45 and 283,527.90

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Solution

The fourth proportional to 662,607.90, 994,041.45 and 283,527.90 is: 425,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,607.90 : 994,041.45 = 283,527.90 : x
  2. Step 2: Convert to fraction form
    662,607.90/994,041.45 = 283,527.90/x
  3. Step 3: Cross multiply
    662,607.90x = 994,041.45 × 283,527.90
  4. Step 4: Simplify right side
    662,607.90x = 281,838,484,831.46
  5. Step 5: Solve for x
    x = 281,838,484,831.46/662,607.90
  6. Step 6: Final answer
    x = 425,347.31

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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.