Home / 786,966.03-1,178,005.48-426,240.97

Finding the Fourth Proportional to 786,966.03, 1,178,005.48 and 426,240.97

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Solution

The fourth proportional to 786,966.03, 1,178,005.48 and 426,240.97 is: 638,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,966.03 : 1,178,005.48 = 426,240.97 : x
  2. Step 2: Convert to fraction form
    786,966.03/1,178,005.48 = 426,240.97/x
  3. Step 3: Cross multiply
    786,966.03x = 1,178,005.48 × 426,240.97
  4. Step 4: Simplify right side
    786,966.03x = 502,114,194,449.90
  5. Step 5: Solve for x
    x = 502,114,194,449.90/786,966.03
  6. Step 6: Final answer
    x = 638,037.95

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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.