Home / 810,594.71-1,118,621.78-466,423.79

Finding the Fourth Proportional to 810,594.71, 1,118,621.78 and 466,423.79

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Solution

The fourth proportional to 810,594.71, 1,118,621.78 and 466,423.79 is: 643,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,594.71 : 1,118,621.78 = 466,423.79 : x
  2. Step 2: Convert to fraction form
    810,594.71/1,118,621.78 = 466,423.79/x
  3. Step 3: Cross multiply
    810,594.71x = 1,118,621.78 × 466,423.79
  4. Step 4: Simplify right side
    810,594.71x = 521,751,804,028.01
  5. Step 5: Solve for x
    x = 521,751,804,028.01/810,594.71
  6. Step 6: Final answer
    x = 643,665.45

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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.