Home / 648,004.30-971,569.05-344,448.70

Finding the Fourth Proportional to 648,004.30, 971,569.05 and 344,448.70

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Solution

The fourth proportional to 648,004.30, 971,569.05 and 344,448.70 is: 516,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,004.30 : 971,569.05 = 344,448.70 : x
  2. Step 2: Convert to fraction form
    648,004.30/971,569.05 = 344,448.70/x
  3. Step 3: Cross multiply
    648,004.30x = 971,569.05 × 344,448.70
  4. Step 4: Simplify right side
    648,004.30x = 334,655,696,232.74
  5. Step 5: Solve for x
    x = 334,655,696,232.74/648,004.30
  6. Step 6: Final answer
    x = 516,440.55

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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.