Home / 736,077.60-1,104,116.40-642,765.60

Finding the Fourth Proportional to 736,077.60, 1,104,116.40 and 642,765.60

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Solution

The fourth proportional to 736,077.60, 1,104,116.40 and 642,765.60 is: 964,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,077.60 : 1,104,116.40 = 642,765.60 : x
  2. Step 2: Convert to fraction form
    736,077.60/1,104,116.40 = 642,765.60/x
  3. Step 3: Cross multiply
    736,077.60x = 1,104,116.40 × 642,765.60
  4. Step 4: Simplify right side
    736,077.60x = 709,688,040,315.84
  5. Step 5: Solve for x
    x = 709,688,040,315.84/736,077.60
  6. Step 6: Final answer
    x = 964,148.40

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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.