Home / 718,835.16-1,078,111.80-238,987.92

Finding the Fourth Proportional to 718,835.16, 1,078,111.80 and 238,987.92

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Solution

The fourth proportional to 718,835.16, 1,078,111.80 and 238,987.92 is: 358,435.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,835.16 : 1,078,111.80 = 238,987.92 : x
  2. Step 2: Convert to fraction form
    718,835.16/1,078,111.80 = 238,987.92/x
  3. Step 3: Cross multiply
    718,835.16x = 1,078,111.80 × 238,987.92
  4. Step 4: Simplify right side
    718,835.16x = 257,655,696,609.46
  5. Step 5: Solve for x
    x = 257,655,696,609.46/718,835.16
  6. Step 6: Final answer
    x = 358,435.02

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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.