Home / 497,719.48-686,833.10-293,836.08

Finding the Fourth Proportional to 497,719.48, 686,833.10 and 293,836.08

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Solution

The fourth proportional to 497,719.48, 686,833.10 and 293,836.08 is: 405,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,719.48 : 686,833.10 = 293,836.08 : x
  2. Step 2: Convert to fraction form
    497,719.48/686,833.10 = 293,836.08/x
  3. Step 3: Cross multiply
    497,719.48x = 686,833.10 × 293,836.08
  4. Step 4: Simplify right side
    497,719.48x = 201,816,345,718.25
  5. Step 5: Solve for x
    x = 201,816,345,718.25/497,719.48
  6. Step 6: Final answer
    x = 405,482.11

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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.