Home / 832,523.76-1,249,441.74-427,699.44

Finding the Fourth Proportional to 832,523.76, 1,249,441.74 and 427,699.44

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Solution

The fourth proportional to 832,523.76, 1,249,441.74 and 427,699.44 is: 641,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,523.76 : 1,249,441.74 = 427,699.44 : x
  2. Step 2: Convert to fraction form
    832,523.76/1,249,441.74 = 427,699.44/x
  3. Step 3: Cross multiply
    832,523.76x = 1,249,441.74 × 427,699.44
  4. Step 4: Simplify right side
    832,523.76x = 534,385,532,510.63
  5. Step 5: Solve for x
    x = 534,385,532,510.63/832,523.76
  6. Step 6: Final answer
    x = 641,886.22

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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.