Home / 880,580.67-1,215,206.10-498,681.87

Finding the Fourth Proportional to 880,580.67, 1,215,206.10 and 498,681.87

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Solution

The fourth proportional to 880,580.67, 1,215,206.10 and 498,681.87 is: 688,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,580.67 : 1,215,206.10 = 498,681.87 : x
  2. Step 2: Convert to fraction form
    880,580.67/1,215,206.10 = 498,681.87/x
  3. Step 3: Cross multiply
    880,580.67x = 1,215,206.10 × 498,681.87
  4. Step 4: Simplify right side
    880,580.67x = 606,001,250,383.41
  5. Step 5: Solve for x
    x = 606,001,250,383.41/880,580.67
  6. Step 6: Final answer
    x = 688,183.68

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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.