Home / 970,379.60-1,456,087.80-437,982.80

Finding the Fourth Proportional to 970,379.60, 1,456,087.80 and 437,982.80

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Solution

The fourth proportional to 970,379.60, 1,456,087.80 and 437,982.80 is: 657,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,379.60 : 1,456,087.80 = 437,982.80 : x
  2. Step 2: Convert to fraction form
    970,379.60/1,456,087.80 = 437,982.80/x
  3. Step 3: Cross multiply
    970,379.60x = 1,456,087.80 × 437,982.80
  4. Step 4: Simplify right side
    970,379.60x = 637,741,411,689.84
  5. Step 5: Solve for x
    x = 637,741,411,689.84/970,379.60
  6. Step 6: Final answer
    x = 657,208.18

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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.