Home / 771,002.30-1,063,835.52-499,032.44

Finding the Fourth Proportional to 771,002.30, 1,063,835.52 and 499,032.44

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Solution

The fourth proportional to 771,002.30, 1,063,835.52 and 499,032.44 is: 688,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,002.30 : 1,063,835.52 = 499,032.44 : x
  2. Step 2: Convert to fraction form
    771,002.30/1,063,835.52 = 499,032.44/x
  3. Step 3: Cross multiply
    771,002.30x = 1,063,835.52 × 499,032.44
  4. Step 4: Simplify right side
    771,002.30x = 530,888,440,894.24
  5. Step 5: Solve for x
    x = 530,888,440,894.24/771,002.30
  6. Step 6: Final answer
    x = 688,569.21

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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.