Home / 684,708.84-1,026,663.90-284,870.46

Finding the Fourth Proportional to 684,708.84, 1,026,663.90 and 284,870.46

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Solution

The fourth proportional to 684,708.84, 1,026,663.90 and 284,870.46 is: 427,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,708.84 : 1,026,663.90 = 284,870.46 : x
  2. Step 2: Convert to fraction form
    684,708.84/1,026,663.90 = 284,870.46/x
  3. Step 3: Cross multiply
    684,708.84x = 1,026,663.90 × 284,870.46
  4. Step 4: Simplify right side
    684,708.84x = 292,466,217,458.39
  5. Step 5: Solve for x
    x = 292,466,217,458.39/684,708.84
  6. Step 6: Final answer
    x = 427,139.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.