Home / 875,966.70-1,313,512.65-402,116.70

Finding the Fourth Proportional to 875,966.70, 1,313,512.65 and 402,116.70

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Solution

The fourth proportional to 875,966.70, 1,313,512.65 and 402,116.70 is: 602,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,966.70 : 1,313,512.65 = 402,116.70 : x
  2. Step 2: Convert to fraction form
    875,966.70/1,313,512.65 = 402,116.70/x
  3. Step 3: Cross multiply
    875,966.70x = 1,313,512.65 × 402,116.70
  4. Step 4: Simplify right side
    875,966.70x = 528,185,372,226.26
  5. Step 5: Solve for x
    x = 528,185,372,226.26/875,966.70
  6. Step 6: Final answer
    x = 602,974.26

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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.