Home / 763,348.20-1,143,272.70-745,852.20

Finding the Fourth Proportional to 763,348.20, 1,143,272.70 and 745,852.20

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Solution

The fourth proportional to 763,348.20, 1,143,272.70 and 745,852.20 is: 1,117,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,348.20 : 1,143,272.70 = 745,852.20 : x
  2. Step 2: Convert to fraction form
    763,348.20/1,143,272.70 = 745,852.20/x
  3. Step 3: Cross multiply
    763,348.20x = 1,143,272.70 × 745,852.20
  4. Step 4: Simplify right side
    763,348.20x = 852,712,458,494.94
  5. Step 5: Solve for x
    x = 852,712,458,494.94/763,348.20
  6. Step 6: Final answer
    x = 1,117,068.80

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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.