Home / 805,436.10-1,208,070.93-272,943.30

Finding the Fourth Proportional to 805,436.10, 1,208,070.93 and 272,943.30

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Solution

The fourth proportional to 805,436.10, 1,208,070.93 and 272,943.30 is: 409,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,436.10 : 1,208,070.93 = 272,943.30 : x
  2. Step 2: Convert to fraction form
    805,436.10/1,208,070.93 = 272,943.30/x
  3. Step 3: Cross multiply
    805,436.10x = 1,208,070.93 × 272,943.30
  4. Step 4: Simplify right side
    805,436.10x = 329,734,866,268.27
  5. Step 5: Solve for x
    x = 329,734,866,268.27/805,436.10
  6. Step 6: Final answer
    x = 409,386.75

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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.