Home / 709,552.80-1,064,329.20-210,916.80

Finding the Fourth Proportional to 709,552.80, 1,064,329.20 and 210,916.80

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Solution

The fourth proportional to 709,552.80, 1,064,329.20 and 210,916.80 is: 316,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,552.80 : 1,064,329.20 = 210,916.80 : x
  2. Step 2: Convert to fraction form
    709,552.80/1,064,329.20 = 210,916.80/x
  3. Step 3: Cross multiply
    709,552.80x = 1,064,329.20 × 210,916.80
  4. Step 4: Simplify right side
    709,552.80x = 224,484,909,010.56
  5. Step 5: Solve for x
    x = 224,484,909,010.56/709,552.80
  6. Step 6: Final answer
    x = 316,375.20

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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.