Home / 747,620.40-1,120,094.10-454,967.40

Finding the Fourth Proportional to 747,620.40, 1,120,094.10 and 454,967.40

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Solution

The fourth proportional to 747,620.40, 1,120,094.10 and 454,967.40 is: 681,637.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,620.40 : 1,120,094.10 = 454,967.40 : x
  2. Step 2: Convert to fraction form
    747,620.40/1,120,094.10 = 454,967.40/x
  3. Step 3: Cross multiply
    747,620.40x = 1,120,094.10 × 454,967.40
  4. Step 4: Simplify right side
    747,620.40x = 509,606,300,432.34
  5. Step 5: Solve for x
    x = 509,606,300,432.34/747,620.40
  6. Step 6: Final answer
    x = 681,637.77

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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.