Home / 969,837.80-1,338,417.69-540,117.93

Finding the Fourth Proportional to 969,837.80, 1,338,417.69 and 540,117.93

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Solution

The fourth proportional to 969,837.80, 1,338,417.69 and 540,117.93 is: 745,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,837.80 : 1,338,417.69 = 540,117.93 : x
  2. Step 2: Convert to fraction form
    969,837.80/1,338,417.69 = 540,117.93/x
  3. Step 3: Cross multiply
    969,837.80x = 1,338,417.69 × 540,117.93
  4. Step 4: Simplify right side
    969,837.80x = 722,903,393,598.70
  5. Step 5: Solve for x
    x = 722,903,393,598.70/969,837.80
  6. Step 6: Final answer
    x = 745,385.87

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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.