Home / 889,237.40-1,332,948.90-439,266.20

Finding the Fourth Proportional to 889,237.40, 1,332,948.90 and 439,266.20

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Solution

The fourth proportional to 889,237.40, 1,332,948.90 and 439,266.20 is: 658,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,237.40 : 1,332,948.90 = 439,266.20 : x
  2. Step 2: Convert to fraction form
    889,237.40/1,332,948.90 = 439,266.20/x
  3. Step 3: Cross multiply
    889,237.40x = 1,332,948.90 × 439,266.20
  4. Step 4: Simplify right side
    889,237.40x = 585,519,398,097.18
  5. Step 5: Solve for x
    x = 585,519,398,097.18/889,237.40
  6. Step 6: Final answer
    x = 658,451.16

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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.