Home / 767,640.40-1,151,460.60-674,328.40

Finding the Fourth Proportional to 767,640.40, 1,151,460.60 and 674,328.40

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Solution

The fourth proportional to 767,640.40, 1,151,460.60 and 674,328.40 is: 1,011,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,640.40 : 1,151,460.60 = 674,328.40 : x
  2. Step 2: Convert to fraction form
    767,640.40/1,151,460.60 = 674,328.40/x
  3. Step 3: Cross multiply
    767,640.40x = 1,151,460.60 × 674,328.40
  4. Step 4: Simplify right side
    767,640.40x = 776,462,584,061.04
  5. Step 5: Solve for x
    x = 776,462,584,061.04/767,640.40
  6. Step 6: Final answer
    x = 1,011,492.60

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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.