Home / 778,300.53-1,167,303.17-329,334.95

Finding the Fourth Proportional to 778,300.53, 1,167,303.17 and 329,334.95

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Solution

The fourth proportional to 778,300.53, 1,167,303.17 and 329,334.95 is: 493,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,300.53 : 1,167,303.17 = 329,334.95 : x
  2. Step 2: Convert to fraction form
    778,300.53/1,167,303.17 = 329,334.95/x
  3. Step 3: Cross multiply
    778,300.53x = 1,167,303.17 × 329,334.95
  4. Step 4: Simplify right side
    778,300.53x = 384,433,723,643.60
  5. Step 5: Solve for x
    x = 384,433,723,643.60/778,300.53
  6. Step 6: Final answer
    x = 493,939.95

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Double scale
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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.