Home / 880,583.67-1,215,210.24-498,684.87

Finding the Fourth Proportional to 880,583.67, 1,215,210.24 and 498,684.87

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Solution

The fourth proportional to 880,583.67, 1,215,210.24 and 498,684.87 is: 688,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,583.67 : 1,215,210.24 = 498,684.87 : x
  2. Step 2: Convert to fraction form
    880,583.67/1,215,210.24 = 498,684.87/x
  3. Step 3: Cross multiply
    880,583.67x = 1,215,210.24 × 498,684.87
  4. Step 4: Simplify right side
    880,583.67x = 606,006,960,557.07
  5. Step 5: Solve for x
    x = 606,006,960,557.07/880,583.67
  6. Step 6: Final answer
    x = 688,187.82

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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.