Home / 722,479.80-1,083,719.70-470,537.40

Finding the Fourth Proportional to 722,479.80, 1,083,719.70 and 470,537.40

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Solution

The fourth proportional to 722,479.80, 1,083,719.70 and 470,537.40 is: 705,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,479.80 : 1,083,719.70 = 470,537.40 : x
  2. Step 2: Convert to fraction form
    722,479.80/1,083,719.70 = 470,537.40/x
  3. Step 3: Cross multiply
    722,479.80x = 1,083,719.70 × 470,537.40
  4. Step 4: Simplify right side
    722,479.80x = 509,930,649,966.78
  5. Step 5: Solve for x
    x = 509,930,649,966.78/722,479.80
  6. Step 6: Final answer
    x = 705,806.10

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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.