Home / 969,841.89-1,338,423.32-540,122.01

Finding the Fourth Proportional to 969,841.89, 1,338,423.32 and 540,122.01

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Solution

The fourth proportional to 969,841.89, 1,338,423.32 and 540,122.01 is: 745,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,841.89 : 1,338,423.32 = 540,122.01 : x
  2. Step 2: Convert to fraction form
    969,841.89/1,338,423.32 = 540,122.01/x
  3. Step 3: Cross multiply
    969,841.89x = 1,338,423.32 × 540,122.01
  4. Step 4: Simplify right side
    969,841.89x = 722,911,893,829.27
  5. Step 5: Solve for x
    x = 722,911,893,829.27/969,841.89
  6. Step 6: Final answer
    x = 745,391.50

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1.5x scale

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.