Home / 1,475,230.40-2,212,543.20-410,004.80

Finding the Fourth Proportional to 1,475,230.40, 2,212,543.20 and 410,004.80

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Solution

The fourth proportional to 1,475,230.40, 2,212,543.20 and 410,004.80 is: 614,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,230.40 : 2,212,543.20 = 410,004.80 : x
  2. Step 2: Convert to fraction form
    1,475,230.40/2,212,543.20 = 410,004.80/x
  3. Step 3: Cross multiply
    1,475,230.40x = 2,212,543.20 × 410,004.80
  4. Step 4: Simplify right side
    1,475,230.40x = 907,153,332,207.36
  5. Step 5: Solve for x
    x = 907,153,332,207.36/1,475,230.40
  6. Step 6: Final answer
    x = 614,923.16

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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.