Home / 676,767.50-933,939.02-404,846.86

Finding the Fourth Proportional to 676,767.50, 933,939.02 and 404,846.86

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Solution

The fourth proportional to 676,767.50, 933,939.02 and 404,846.86 is: 558,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,767.50 : 933,939.02 = 404,846.86 : x
  2. Step 2: Convert to fraction form
    676,767.50/933,939.02 = 404,846.86/x
  3. Step 3: Cross multiply
    676,767.50x = 933,939.02 × 404,846.86
  4. Step 4: Simplify right side
    676,767.50x = 378,102,279,678.48
  5. Step 5: Solve for x
    x = 378,102,279,678.48/676,767.50
  6. Step 6: Final answer
    x = 558,688.59

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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.