Home / 803,134.72-1,108,305.63-458,948.77

Finding the Fourth Proportional to 803,134.72, 1,108,305.63 and 458,948.77

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Solution

The fourth proportional to 803,134.72, 1,108,305.63 and 458,948.77 is: 633,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,134.72 : 1,108,305.63 = 458,948.77 : x
  2. Step 2: Convert to fraction form
    803,134.72/1,108,305.63 = 458,948.77/x
  3. Step 3: Cross multiply
    803,134.72x = 1,108,305.63 × 458,948.77
  4. Step 4: Simplify right side
    803,134.72x = 508,655,500,131.05
  5. Step 5: Solve for x
    x = 508,655,500,131.05/803,134.72
  6. Step 6: Final answer
    x = 633,337.71

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1.5x scale

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.