Home / 747,672.90-1,121,509.37-186,707.40

Finding the Fourth Proportional to 747,672.90, 1,121,509.37 and 186,707.40

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Solution

The fourth proportional to 747,672.90, 1,121,509.37 and 186,707.40 is: 280,061.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,672.90 : 1,121,509.37 = 186,707.40 : x
  2. Step 2: Convert to fraction form
    747,672.90/1,121,509.37 = 186,707.40/x
  3. Step 3: Cross multiply
    747,672.90x = 1,121,509.37 × 186,707.40
  4. Step 4: Simplify right side
    747,672.90x = 209,394,097,614.80
  5. Step 5: Solve for x
    x = 209,394,097,614.80/747,672.90
  6. Step 6: Final answer
    x = 280,061.10

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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.