Home / 817,570.12-1,225,910.46-284,948.20

Finding the Fourth Proportional to 817,570.12, 1,225,910.46 and 284,948.20

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Solution

The fourth proportional to 817,570.12, 1,225,910.46 and 284,948.20 is: 427,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,570.12 : 1,225,910.46 = 284,948.20 : x
  2. Step 2: Convert to fraction form
    817,570.12/1,225,910.46 = 284,948.20/x
  3. Step 3: Cross multiply
    817,570.12x = 1,225,910.46 × 284,948.20
  4. Step 4: Simplify right side
    817,570.12x = 349,320,978,938.17
  5. Step 5: Solve for x
    x = 349,320,978,938.17/817,570.12
  6. Step 6: Final answer
    x = 427,267.30

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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.