Home / 844,678.74-1,165,656.87-462,719.10

Finding the Fourth Proportional to 844,678.74, 1,165,656.87 and 462,719.10

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Solution

The fourth proportional to 844,678.74, 1,165,656.87 and 462,719.10 is: 638,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,678.74 : 1,165,656.87 = 462,719.10 : x
  2. Step 2: Convert to fraction form
    844,678.74/1,165,656.87 = 462,719.10/x
  3. Step 3: Cross multiply
    844,678.74x = 1,165,656.87 × 462,719.10
  4. Step 4: Simplify right side
    844,678.74x = 539,371,697,795.22
  5. Step 5: Solve for x
    x = 539,371,697,795.22/844,678.74
  6. Step 6: Final answer
    x = 638,552.47

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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.