Home / 890,581.02-1,332,718.12-553,780.27

Finding the Fourth Proportional to 890,581.02, 1,332,718.12 and 553,780.27

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Solution

The fourth proportional to 890,581.02, 1,332,718.12 and 553,780.27 is: 828,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,581.02 : 1,332,718.12 = 553,780.27 : x
  2. Step 2: Convert to fraction form
    890,581.02/1,332,718.12 = 553,780.27/x
  3. Step 3: Cross multiply
    890,581.02x = 1,332,718.12 × 553,780.27
  4. Step 4: Simplify right side
    890,581.02x = 738,033,000,327.49
  5. Step 5: Solve for x
    x = 738,033,000,327.49/890,581.02
  6. Step 6: Final answer
    x = 828,709.55

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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.