Home / 558,969.24-771,338.62-317,256.72

Finding the Fourth Proportional to 558,969.24, 771,338.62 and 317,256.72

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Solution

The fourth proportional to 558,969.24, 771,338.62 and 317,256.72 is: 437,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,969.24 : 771,338.62 = 317,256.72 : x
  2. Step 2: Convert to fraction form
    558,969.24/771,338.62 = 317,256.72/x
  3. Step 3: Cross multiply
    558,969.24x = 771,338.62 × 317,256.72
  4. Step 4: Simplify right side
    558,969.24x = 244,712,360,590.53
  5. Step 5: Solve for x
    x = 244,712,360,590.53/558,969.24
  6. Step 6: Final answer
    x = 437,792.18

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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.