Home / 851,011.15-1,174,402.52-469,038.91

Finding the Fourth Proportional to 851,011.15, 1,174,402.52 and 469,038.91

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Solution

The fourth proportional to 851,011.15, 1,174,402.52 and 469,038.91 is: 647,277.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,011.15 : 1,174,402.52 = 469,038.91 : x
  2. Step 2: Convert to fraction form
    851,011.15/1,174,402.52 = 469,038.91/x
  3. Step 3: Cross multiply
    851,011.15x = 1,174,402.52 × 469,038.91
  4. Step 4: Simplify right side
    851,011.15x = 550,840,475,536.86
  5. Step 5: Solve for x
    x = 550,840,475,536.86/851,011.15
  6. Step 6: Final answer
    x = 647,277.62

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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.