Home / 558,684.63-771,002.19-316,977.39

Finding the Fourth Proportional to 558,684.63, 771,002.19 and 316,977.39

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Solution

The fourth proportional to 558,684.63, 771,002.19 and 316,977.39 is: 437,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,684.63 : 771,002.19 = 316,977.39 : x
  2. Step 2: Convert to fraction form
    558,684.63/771,002.19 = 316,977.39/x
  3. Step 3: Cross multiply
    558,684.63x = 771,002.19 × 316,977.39
  4. Step 4: Simplify right side
    558,684.63x = 244,390,261,870.48
  5. Step 5: Solve for x
    x = 244,390,261,870.48/558,684.63
  6. Step 6: Final answer
    x = 437,438.67

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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.