Home / 763,435.10-1,145,152.65-698,116.70

Finding the Fourth Proportional to 763,435.10, 1,145,152.65 and 698,116.70

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Solution

The fourth proportional to 763,435.10, 1,145,152.65 and 698,116.70 is: 1,047,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,435.10 : 1,145,152.65 = 698,116.70 : x
  2. Step 2: Convert to fraction form
    763,435.10/1,145,152.65 = 698,116.70/x
  3. Step 3: Cross multiply
    763,435.10x = 1,145,152.65 × 698,116.70
  4. Step 4: Simplify right side
    763,435.10x = 799,450,189,014.26
  5. Step 5: Solve for x
    x = 799,450,189,014.26/763,435.10
  6. Step 6: Final answer
    x = 1,047,175.05

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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.