Home / 997,913.36-1,376,729.52-615,275.84

Finding the Fourth Proportional to 997,913.36, 1,376,729.52 and 615,275.84

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Solution

The fourth proportional to 997,913.36, 1,376,729.52 and 615,275.84 is: 848,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,913.36 : 1,376,729.52 = 615,275.84 : x
  2. Step 2: Convert to fraction form
    997,913.36/1,376,729.52 = 615,275.84/x
  3. Step 3: Cross multiply
    997,913.36x = 1,376,729.52 × 615,275.84
  4. Step 4: Simplify right side
    997,913.36x = 847,068,411,870.80
  5. Step 5: Solve for x
    x = 847,068,411,870.80/997,913.36
  6. Step 6: Final answer
    x = 848,839.63

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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.