Home / 738,118.40-1,105,622.40-613,702.40

Finding the Fourth Proportional to 738,118.40, 1,105,622.40 and 613,702.40

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Solution

The fourth proportional to 738,118.40, 1,105,622.40 and 613,702.40 is: 919,260.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,118.40 : 1,105,622.40 = 613,702.40 : x
  2. Step 2: Convert to fraction form
    738,118.40/1,105,622.40 = 613,702.40/x
  3. Step 3: Cross multiply
    738,118.40x = 1,105,622.40 × 613,702.40
  4. Step 4: Simplify right side
    738,118.40x = 678,523,120,373.76
  5. Step 5: Solve for x
    x = 678,523,120,373.76/738,118.40
  6. Step 6: Final answer
    x = 919,260.54

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1.5x scale

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.