Home / 970,204.80-1,455,998.40-409,641.60

Finding the Fourth Proportional to 970,204.80, 1,455,998.40 and 409,641.60

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Solution

The fourth proportional to 970,204.80, 1,455,998.40 and 409,641.60 is: 614,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,204.80 : 1,455,998.40 = 409,641.60 : x
  2. Step 2: Convert to fraction form
    970,204.80/1,455,998.40 = 409,641.60/x
  3. Step 3: Cross multiply
    970,204.80x = 1,455,998.40 × 409,641.60
  4. Step 4: Simplify right side
    970,204.80x = 596,437,514,173.44
  5. Step 5: Solve for x
    x = 596,437,514,173.44/970,204.80
  6. Step 6: Final answer
    x = 614,754.24

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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.