Home / 745,225.29-1,028,545.01-439,283.50

Finding the Fourth Proportional to 745,225.29, 1,028,545.01 and 439,283.50

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Solution

The fourth proportional to 745,225.29, 1,028,545.01 and 439,283.50 is: 606,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,225.29 : 1,028,545.01 = 439,283.50 : x
  2. Step 2: Convert to fraction form
    745,225.29/1,028,545.01 = 439,283.50/x
  3. Step 3: Cross multiply
    745,225.29x = 1,028,545.01 × 439,283.50
  4. Step 4: Simplify right side
    745,225.29x = 451,822,851,900.34
  5. Step 5: Solve for x
    x = 451,822,851,900.34/745,225.29
  6. Step 6: Final answer
    x = 606,290.28

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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.