Home / 687,632.13-1,031,214.58-238,248.10

Finding the Fourth Proportional to 687,632.13, 1,031,214.58 and 238,248.10

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Solution

The fourth proportional to 687,632.13, 1,031,214.58 and 238,248.10 is: 357,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,632.13 : 1,031,214.58 = 238,248.10 : x
  2. Step 2: Convert to fraction form
    687,632.13/1,031,214.58 = 238,248.10/x
  3. Step 3: Cross multiply
    687,632.13x = 1,031,214.58 × 238,248.10
  4. Step 4: Simplify right side
    687,632.13x = 245,684,913,186.06
  5. Step 5: Solve for x
    x = 245,684,913,186.06/687,632.13
  6. Step 6: Final answer
    x = 357,291.21

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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.