Home / 970,257.80-1,456,077.90-409,694.60

Finding the Fourth Proportional to 970,257.80, 1,456,077.90 and 409,694.60

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Solution

The fourth proportional to 970,257.80, 1,456,077.90 and 409,694.60 is: 614,833.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,257.80 : 1,456,077.90 = 409,694.60 : x
  2. Step 2: Convert to fraction form
    970,257.80/1,456,077.90 = 409,694.60/x
  3. Step 3: Cross multiply
    970,257.80x = 1,456,077.90 × 409,694.60
  4. Step 4: Simplify right side
    970,257.80x = 596,547,252,809.34
  5. Step 5: Solve for x
    x = 596,547,252,809.34/970,257.80
  6. Step 6: Final answer
    x = 614,833.76

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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.