Home / 977,350.40-1,465,334.40-445,126.40

Finding the Fourth Proportional to 977,350.40, 1,465,334.40 and 445,126.40

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Solution

The fourth proportional to 977,350.40, 1,465,334.40 and 445,126.40 is: 667,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,350.40 : 1,465,334.40 = 445,126.40 : x
  2. Step 2: Convert to fraction form
    977,350.40/1,465,334.40 = 445,126.40/x
  3. Step 3: Cross multiply
    977,350.40x = 1,465,334.40 × 445,126.40
  4. Step 4: Simplify right side
    977,350.40x = 652,259,026,268.16
  5. Step 5: Solve for x
    x = 652,259,026,268.16/977,350.40
  6. Step 6: Final answer
    x = 667,374.80

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1.5x scale

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.