Home / 832,518.77-1,248,012.71-299,909.55

Finding the Fourth Proportional to 832,518.77, 1,248,012.71 and 299,909.55

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Solution

The fourth proportional to 832,518.77, 1,248,012.71 and 299,909.55 is: 449,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,518.77 : 1,248,012.71 = 299,909.55 : x
  2. Step 2: Convert to fraction form
    832,518.77/1,248,012.71 = 299,909.55/x
  3. Step 3: Cross multiply
    832,518.77x = 1,248,012.71 × 299,909.55
  4. Step 4: Simplify right side
    832,518.77x = 374,290,928,750.83
  5. Step 5: Solve for x
    x = 374,290,928,750.83/832,518.77
  6. Step 6: Final answer
    x = 449,588.58

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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.