Home / 805,921.02-1,112,208.39-466,323.42

Finding the Fourth Proportional to 805,921.02, 1,112,208.39 and 466,323.42

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Solution

The fourth proportional to 805,921.02, 1,112,208.39 and 466,323.42 is: 643,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,921.02 : 1,112,208.39 = 466,323.42 : x
  2. Step 2: Convert to fraction form
    805,921.02/1,112,208.39 = 466,323.42/x
  3. Step 3: Cross multiply
    805,921.02x = 1,112,208.39 × 466,323.42
  4. Step 4: Simplify right side
    805,921.02x = 518,648,820,177.49
  5. Step 5: Solve for x
    x = 518,648,820,177.49/805,921.02
  6. Step 6: Final answer
    x = 643,547.95

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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.