Home / 977,133.40-1,465,700.10-658,268.80

Finding the Fourth Proportional to 977,133.40, 1,465,700.10 and 658,268.80

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Solution

The fourth proportional to 977,133.40, 1,465,700.10 and 658,268.80 is: 987,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,133.40 : 1,465,700.10 = 658,268.80 : x
  2. Step 2: Convert to fraction form
    977,133.40/1,465,700.10 = 658,268.80/x
  3. Step 3: Cross multiply
    977,133.40x = 1,465,700.10 × 658,268.80
  4. Step 4: Simplify right side
    977,133.40x = 964,824,645,986.88
  5. Step 5: Solve for x
    x = 964,824,645,986.88/977,133.40
  6. Step 6: Final answer
    x = 987,403.20

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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.