Home / 988,688.34-1,364,459.85-558,972.54

Finding the Fourth Proportional to 988,688.34, 1,364,459.85 and 558,972.54

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Solution

The fourth proportional to 988,688.34, 1,364,459.85 and 558,972.54 is: 771,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,688.34 : 1,364,459.85 = 558,972.54 : x
  2. Step 2: Convert to fraction form
    988,688.34/1,364,459.85 = 558,972.54/x
  3. Step 3: Cross multiply
    988,688.34x = 1,364,459.85 × 558,972.54
  4. Step 4: Simplify right side
    988,688.34x = 762,695,588,082.52
  5. Step 5: Solve for x
    x = 762,695,588,082.52/988,688.34
  6. Step 6: Final answer
    x = 771,421.65

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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.