Home / 885,049.20-1,220,191.95-578,598.72

Finding the Fourth Proportional to 885,049.20, 1,220,191.95 and 578,598.72

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Solution

The fourth proportional to 885,049.20, 1,220,191.95 and 578,598.72 is: 797,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,049.20 : 1,220,191.95 = 578,598.72 : x
  2. Step 2: Convert to fraction form
    885,049.20/1,220,191.95 = 578,598.72/x
  3. Step 3: Cross multiply
    885,049.20x = 1,220,191.95 × 578,598.72
  4. Step 4: Simplify right side
    885,049.20x = 706,001,500,424.30
  5. Step 5: Solve for x
    x = 706,001,500,424.30/885,049.20
  6. Step 6: Final answer
    x = 797,697.46

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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.