Home / 767,627.60-1,152,823.80-742,744.40

Finding the Fourth Proportional to 767,627.60, 1,152,823.80 and 742,744.40

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Solution

The fourth proportional to 767,627.60, 1,152,823.80 and 742,744.40 is: 1,115,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,627.60 : 1,152,823.80 = 742,744.40 : x
  2. Step 2: Convert to fraction form
    767,627.60/1,152,823.80 = 742,744.40/x
  3. Step 3: Cross multiply
    767,627.60x = 1,152,823.80 × 742,744.40
  4. Step 4: Simplify right side
    767,627.60x = 856,253,421,636.72
  5. Step 5: Solve for x
    x = 856,253,421,636.72/767,627.60
  6. Step 6: Final answer
    x = 1,115,454.19

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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.