Home / 743,719.59-1,114,957.71-344,646.36

Finding the Fourth Proportional to 743,719.59, 1,114,957.71 and 344,646.36

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Solution

The fourth proportional to 743,719.59, 1,114,957.71 and 344,646.36 is: 516,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,719.59 : 1,114,957.71 = 344,646.36 : x
  2. Step 2: Convert to fraction form
    743,719.59/1,114,957.71 = 344,646.36/x
  3. Step 3: Cross multiply
    743,719.59x = 1,114,957.71 × 344,646.36
  4. Step 4: Simplify right side
    743,719.59x = 384,266,116,305.44
  5. Step 5: Solve for x
    x = 384,266,116,305.44/743,719.59
  6. Step 6: Final answer
    x = 516,681.45

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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.