Home / 745,730.28-1,028,779.92-503,924.76

Finding the Fourth Proportional to 745,730.28, 1,028,779.92 and 503,924.76

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Solution

The fourth proportional to 745,730.28, 1,028,779.92 and 503,924.76 is: 695,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,730.28 : 1,028,779.92 = 503,924.76 : x
  2. Step 2: Convert to fraction form
    745,730.28/1,028,779.92 = 503,924.76/x
  3. Step 3: Cross multiply
    745,730.28x = 1,028,779.92 × 503,924.76
  4. Step 4: Simplify right side
    745,730.28x = 518,427,674,278.82
  5. Step 5: Solve for x
    x = 518,427,674,278.82/745,730.28
  6. Step 6: Final answer
    x = 695,194.61

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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.