Home / 747,430.20-1,120,454.46-298,041.75

Finding the Fourth Proportional to 747,430.20, 1,120,454.46 and 298,041.75

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Solution

The fourth proportional to 747,430.20, 1,120,454.46 and 298,041.75 is: 446,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,430.20 : 1,120,454.46 = 298,041.75 : x
  2. Step 2: Convert to fraction form
    747,430.20/1,120,454.46 = 298,041.75/x
  3. Step 3: Cross multiply
    747,430.20x = 1,120,454.46 × 298,041.75
  4. Step 4: Simplify right side
    747,430.20x = 333,942,208,053.71
  5. Step 5: Solve for x
    x = 333,942,208,053.71/747,430.20
  6. Step 6: Final answer
    x = 446,787.15

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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.