Home / 876,380.50-1,209,405.09-473,972.50

Finding the Fourth Proportional to 876,380.50, 1,209,405.09 and 473,972.50

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Solution

The fourth proportional to 876,380.50, 1,209,405.09 and 473,972.50 is: 654,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,380.50 : 1,209,405.09 = 473,972.50 : x
  2. Step 2: Convert to fraction form
    876,380.50/1,209,405.09 = 473,972.50/x
  3. Step 3: Cross multiply
    876,380.50x = 1,209,405.09 × 473,972.50
  4. Step 4: Simplify right side
    876,380.50x = 573,224,754,020.03
  5. Step 5: Solve for x
    x = 573,224,754,020.03/876,380.50
  6. Step 6: Final answer
    x = 654,082.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.