Home / 976,802.80-1,465,204.20-657,938.20

Finding the Fourth Proportional to 976,802.80, 1,465,204.20 and 657,938.20

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Solution

The fourth proportional to 976,802.80, 1,465,204.20 and 657,938.20 is: 986,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,802.80 : 1,465,204.20 = 657,938.20 : x
  2. Step 2: Convert to fraction form
    976,802.80/1,465,204.20 = 657,938.20/x
  3. Step 3: Cross multiply
    976,802.80x = 1,465,204.20 × 657,938.20
  4. Step 4: Simplify right side
    976,802.80x = 964,013,813,980.44
  5. Step 5: Solve for x
    x = 964,013,813,980.44/976,802.80
  6. Step 6: Final answer
    x = 986,907.30

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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.