Home / 817,779.40-1,226,183.10-502,462.60

Finding the Fourth Proportional to 817,779.40, 1,226,183.10 and 502,462.60

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Solution

The fourth proportional to 817,779.40, 1,226,183.10 and 502,462.60 is: 753,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,779.40 : 1,226,183.10 = 502,462.60 : x
  2. Step 2: Convert to fraction form
    817,779.40/1,226,183.10 = 502,462.60/x
  3. Step 3: Cross multiply
    817,779.40x = 1,226,183.10 × 502,462.60
  4. Step 4: Simplify right side
    817,779.40x = 616,111,148,502.06
  5. Step 5: Solve for x
    x = 616,111,148,502.06/817,779.40
  6. Step 6: Final answer
    x = 753,395.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.