Home / 744,420.30-1,116,630.45-710,205.90

Finding the Fourth Proportional to 744,420.30, 1,116,630.45 and 710,205.90

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Solution

The fourth proportional to 744,420.30, 1,116,630.45 and 710,205.90 is: 1,065,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,420.30 : 1,116,630.45 = 710,205.90 : x
  2. Step 2: Convert to fraction form
    744,420.30/1,116,630.45 = 710,205.90/x
  3. Step 3: Cross multiply
    744,420.30x = 1,116,630.45 × 710,205.90
  4. Step 4: Simplify right side
    744,420.30x = 793,037,533,709.66
  5. Step 5: Solve for x
    x = 793,037,533,709.66/744,420.30
  6. Step 6: Final answer
    x = 1,065,308.85

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Double scale
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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.