Home / 849,781.65-1,276,148.70-451,200.90

Finding the Fourth Proportional to 849,781.65, 1,276,148.70 and 451,200.90

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Solution

The fourth proportional to 849,781.65, 1,276,148.70 and 451,200.90 is: 677,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,781.65 : 1,276,148.70 = 451,200.90 : x
  2. Step 2: Convert to fraction form
    849,781.65/1,276,148.70 = 451,200.90/x
  3. Step 3: Cross multiply
    849,781.65x = 1,276,148.70 × 451,200.90
  4. Step 4: Simplify right side
    849,781.65x = 575,799,441,973.83
  5. Step 5: Solve for x
    x = 575,799,441,973.83/849,781.65
  6. Step 6: Final answer
    x = 677,585.17

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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.