Home / 880,673.86-1,215,329.94-498,774.46

Finding the Fourth Proportional to 880,673.86, 1,215,329.94 and 498,774.46

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Solution

The fourth proportional to 880,673.86, 1,215,329.94 and 498,774.46 is: 688,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,673.86 : 1,215,329.94 = 498,774.46 : x
  2. Step 2: Convert to fraction form
    880,673.86/1,215,329.94 = 498,774.46/x
  3. Step 3: Cross multiply
    880,673.86x = 1,215,329.94 × 498,774.46
  4. Step 4: Simplify right side
    880,673.86x = 606,175,534,545.33
  5. Step 5: Solve for x
    x = 606,175,534,545.33/880,673.86
  6. Step 6: Final answer
    x = 688,308.76

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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.