Home / 818,443.84-1,129,509.20-496,167.52

Finding the Fourth Proportional to 818,443.84, 1,129,509.20 and 496,167.52

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Solution

The fourth proportional to 818,443.84, 1,129,509.20 and 496,167.52 is: 684,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,443.84 : 1,129,509.20 = 496,167.52 : x
  2. Step 2: Convert to fraction form
    818,443.84/1,129,509.20 = 496,167.52/x
  3. Step 3: Cross multiply
    818,443.84x = 1,129,509.20 × 496,167.52
  4. Step 4: Simplify right side
    818,443.84x = 560,425,778,581.18
  5. Step 5: Solve for x
    x = 560,425,778,581.18/818,443.84
  6. Step 6: Final answer
    x = 684,745.55

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Double scale
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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.