Home / 690,841.02-1,036,298.52-217,563.24

Finding the Fourth Proportional to 690,841.02, 1,036,298.52 and 217,563.24

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Solution

The fourth proportional to 690,841.02, 1,036,298.52 and 217,563.24 is: 326,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,841.02 : 1,036,298.52 = 217,563.24 : x
  2. Step 2: Convert to fraction form
    690,841.02/1,036,298.52 = 217,563.24/x
  3. Step 3: Cross multiply
    690,841.02x = 1,036,298.52 × 217,563.24
  4. Step 4: Simplify right side
    690,841.02x = 225,460,463,618.41
  5. Step 5: Solve for x
    x = 225,460,463,618.41/690,841.02
  6. Step 6: Final answer
    x = 326,356.51

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Similar ratio
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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.