Home / 879,531.82-1,213,756.24-477,123.82

Finding the Fourth Proportional to 879,531.82, 1,213,756.24 and 477,123.82

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Solution

The fourth proportional to 879,531.82, 1,213,756.24 and 477,123.82 is: 658,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,531.82 : 1,213,756.24 = 477,123.82 : x
  2. Step 2: Convert to fraction form
    879,531.82/1,213,756.24 = 477,123.82/x
  3. Step 3: Cross multiply
    879,531.82x = 1,213,756.24 × 477,123.82
  4. Step 4: Simplify right side
    879,531.82x = 579,112,013,777.64
  5. Step 5: Solve for x
    x = 579,112,013,777.64/879,531.82
  6. Step 6: Final answer
    x = 658,432.13

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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.