Home / 714,942.43-1,072,175.51-288,368.08

Finding the Fourth Proportional to 714,942.43, 1,072,175.51 and 288,368.08

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Solution

The fourth proportional to 714,942.43, 1,072,175.51 and 288,368.08 is: 432,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,942.43 : 1,072,175.51 = 288,368.08 : x
  2. Step 2: Convert to fraction form
    714,942.43/1,072,175.51 = 288,368.08/x
  3. Step 3: Cross multiply
    714,942.43x = 1,072,175.51 × 288,368.08
  4. Step 4: Simplify right side
    714,942.43x = 309,181,191,799.88
  5. Step 5: Solve for x
    x = 309,181,191,799.88/714,942.43
  6. Step 6: Final answer
    x = 432,456.07

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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.