Home / 939,854.87-1,297,001.03-510,135.10

Finding the Fourth Proportional to 939,854.87, 1,297,001.03 and 510,135.10

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Solution

The fourth proportional to 939,854.87, 1,297,001.03 and 510,135.10 is: 703,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,854.87 : 1,297,001.03 = 510,135.10 : x
  2. Step 2: Convert to fraction form
    939,854.87/1,297,001.03 = 510,135.10/x
  3. Step 3: Cross multiply
    939,854.87x = 1,297,001.03 × 510,135.10
  4. Step 4: Simplify right side
    939,854.87x = 661,645,750,139.15
  5. Step 5: Solve for x
    x = 661,645,750,139.15/939,854.87
  6. Step 6: Final answer
    x = 703,987.15

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1.5x scale

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.