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Finding the Fourth Proportional to 572,822.20, 859,233.30 and 572,822.20

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Solution

The fourth proportional to 572,822.20, 859,233.30 and 572,822.20 is: 859,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,822.20 : 859,233.30 = 572,822.20 : x
  2. Step 2: Convert to fraction form
    572,822.20/859,233.30 = 572,822.20/x
  3. Step 3: Cross multiply
    572,822.20x = 859,233.30 × 572,822.20
  4. Step 4: Simplify right side
    572,822.20x = 492,187,909,219.26
  5. Step 5: Solve for x
    x = 492,187,909,219.26/572,822.20
  6. Step 6: Final answer
    x = 859,233.30

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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.