Home / 745,675.16-1,028,704.32-503,869.50

Finding the Fourth Proportional to 745,675.16, 1,028,704.32 and 503,869.50

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Solution

The fourth proportional to 745,675.16, 1,028,704.32 and 503,869.50 is: 695,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,675.16 : 1,028,704.32 = 503,869.50 : x
  2. Step 2: Convert to fraction form
    745,675.16/1,028,704.32 = 503,869.50/x
  3. Step 3: Cross multiply
    745,675.16x = 1,028,704.32 × 503,869.50
  4. Step 4: Simplify right side
    745,675.16x = 518,332,731,366.24
  5. Step 5: Solve for x
    x = 518,332,731,366.24/745,675.16
  6. Step 6: Final answer
    x = 695,118.68

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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.