Home / 558,684.45-771,002.04-316,977.21

Finding the Fourth Proportional to 558,684.45, 771,002.04 and 316,977.21

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Solution

The fourth proportional to 558,684.45, 771,002.04 and 316,977.21 is: 437,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,684.45 : 771,002.04 = 316,977.21 : x
  2. Step 2: Convert to fraction form
    558,684.45/771,002.04 = 316,977.21/x
  3. Step 3: Cross multiply
    558,684.45x = 771,002.04 × 316,977.21
  4. Step 4: Simplify right side
    558,684.45x = 244,390,075,543.51
  5. Step 5: Solve for x
    x = 244,390,075,543.51/558,684.45
  6. Step 6: Final answer
    x = 437,438.48

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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.