Home / 651,470.36-977,179.98-272,293.16

Finding the Fourth Proportional to 651,470.36, 977,179.98 and 272,293.16

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Solution

The fourth proportional to 651,470.36, 977,179.98 and 272,293.16 is: 408,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,470.36 : 977,179.98 = 272,293.16 : x
  2. Step 2: Convert to fraction form
    651,470.36/977,179.98 = 272,293.16/x
  3. Step 3: Cross multiply
    651,470.36x = 977,179.98 × 272,293.16
  4. Step 4: Simplify right side
    651,470.36x = 266,079,424,642.94
  5. Step 5: Solve for x
    x = 266,079,424,642.94/651,470.36
  6. Step 6: Final answer
    x = 408,429.06

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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.