Home / 724,897.19-1,087,479.53-238,606.80

Finding the Fourth Proportional to 724,897.19, 1,087,479.53 and 238,606.80

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Solution

The fourth proportional to 724,897.19, 1,087,479.53 and 238,606.80 is: 357,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,897.19 : 1,087,479.53 = 238,606.80 : x
  2. Step 2: Convert to fraction form
    724,897.19/1,087,479.53 = 238,606.80/x
  3. Step 3: Cross multiply
    724,897.19x = 1,087,479.53 × 238,606.80
  4. Step 4: Simplify right side
    724,897.19x = 259,480,010,718.80
  5. Step 5: Solve for x
    x = 259,480,010,718.80/724,897.19
  6. Step 6: Final answer
    x = 357,954.22

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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.