Home / 843,036.13-1,163,319.53-475,493.01

Finding the Fourth Proportional to 843,036.13, 1,163,319.53 and 475,493.01

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Solution

The fourth proportional to 843,036.13, 1,163,319.53 and 475,493.01 is: 656,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,036.13 : 1,163,319.53 = 475,493.01 : x
  2. Step 2: Convert to fraction form
    843,036.13/1,163,319.53 = 475,493.01/x
  3. Step 3: Cross multiply
    843,036.13x = 1,163,319.53 × 475,493.01
  4. Step 4: Simplify right side
    843,036.13x = 553,150,304,911.49
  5. Step 5: Solve for x
    x = 553,150,304,911.49/843,036.13
  6. Step 6: Final answer
    x = 656,140.69

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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.