Home / 697,452.28-962,483.65-391,529.25

Finding the Fourth Proportional to 697,452.28, 962,483.65 and 391,529.25

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Solution

The fourth proportional to 697,452.28, 962,483.65 and 391,529.25 is: 540,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,452.28 : 962,483.65 = 391,529.25 : x
  2. Step 2: Convert to fraction form
    697,452.28/962,483.65 = 391,529.25/x
  3. Step 3: Cross multiply
    697,452.28x = 962,483.65 × 391,529.25
  4. Step 4: Simplify right side
    697,452.28x = 376,840,501,621.76
  5. Step 5: Solve for x
    x = 376,840,501,621.76/697,452.28
  6. Step 6: Final answer
    x = 540,310.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.