Home / 742,110.30-1,113,165.45-476,389.80

Finding the Fourth Proportional to 742,110.30, 1,113,165.45 and 476,389.80

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Solution

The fourth proportional to 742,110.30, 1,113,165.45 and 476,389.80 is: 714,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,110.30 : 1,113,165.45 = 476,389.80 : x
  2. Step 2: Convert to fraction form
    742,110.30/1,113,165.45 = 476,389.80/x
  3. Step 3: Cross multiply
    742,110.30x = 1,113,165.45 × 476,389.80
  4. Step 4: Simplify right side
    742,110.30x = 530,300,666,092.41
  5. Step 5: Solve for x
    x = 530,300,666,092.41/742,110.30
  6. Step 6: Final answer
    x = 714,584.70

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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.