Home / 876,647.16-1,315,008.18-344,283.57

Finding the Fourth Proportional to 876,647.16, 1,315,008.18 and 344,283.57

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Solution

The fourth proportional to 876,647.16, 1,315,008.18 and 344,283.57 is: 516,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,647.16 : 1,315,008.18 = 344,283.57 : x
  2. Step 2: Convert to fraction form
    876,647.16/1,315,008.18 = 344,283.57/x
  3. Step 3: Cross multiply
    876,647.16x = 1,315,008.18 × 344,283.57
  4. Step 4: Simplify right side
    876,647.16x = 452,735,710,789.60
  5. Step 5: Solve for x
    x = 452,735,710,789.60/876,647.16
  6. Step 6: Final answer
    x = 516,440.06

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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.