Home / 722,656.80-1,083,547.44-323,223.12

Finding the Fourth Proportional to 722,656.80, 1,083,547.44 and 323,223.12

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Solution

The fourth proportional to 722,656.80, 1,083,547.44 and 323,223.12 is: 484,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,656.80 : 1,083,547.44 = 323,223.12 : x
  2. Step 2: Convert to fraction form
    722,656.80/1,083,547.44 = 323,223.12/x
  3. Step 3: Cross multiply
    722,656.80x = 1,083,547.44 × 323,223.12
  4. Step 4: Simplify right side
    722,656.80x = 350,227,584,224.81
  5. Step 5: Solve for x
    x = 350,227,584,224.81/722,656.80
  6. Step 6: Final answer
    x = 484,638.88

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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.