Home / 919,488.67-1,268,874.47-532,320.50

Finding the Fourth Proportional to 919,488.67, 1,268,874.47 and 532,320.50

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Solution

The fourth proportional to 919,488.67, 1,268,874.47 and 532,320.50 is: 734,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,488.67 : 1,268,874.47 = 532,320.50 : x
  2. Step 2: Convert to fraction form
    919,488.67/1,268,874.47 = 532,320.50/x
  3. Step 3: Cross multiply
    919,488.67x = 1,268,874.47 × 532,320.50
  4. Step 4: Simplify right side
    919,488.67x = 675,447,896,810.62
  5. Step 5: Solve for x
    x = 675,447,896,810.62/919,488.67
  6. Step 6: Final answer
    x = 734,590.78

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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.