Home / 777,278.97-1,072,616.64-433,097.10

Finding the Fourth Proportional to 777,278.97, 1,072,616.64 and 433,097.10

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Solution

The fourth proportional to 777,278.97, 1,072,616.64 and 433,097.10 is: 597,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,278.97 : 1,072,616.64 = 433,097.10 : x
  2. Step 2: Convert to fraction form
    777,278.97/1,072,616.64 = 433,097.10/x
  3. Step 3: Cross multiply
    777,278.97x = 1,072,616.64 × 433,097.10
  4. Step 4: Simplify right side
    777,278.97x = 464,547,156,195.74
  5. Step 5: Solve for x
    x = 464,547,156,195.74/777,278.97
  6. Step 6: Final answer
    x = 597,658.21

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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.