Home / 648,112.70-972,169.05-608,746.70

Finding the Fourth Proportional to 648,112.70, 972,169.05 and 608,746.70

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Solution

The fourth proportional to 648,112.70, 972,169.05 and 608,746.70 is: 913,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,112.70 : 972,169.05 = 608,746.70 : x
  2. Step 2: Convert to fraction form
    648,112.70/972,169.05 = 608,746.70/x
  3. Step 3: Cross multiply
    648,112.70x = 972,169.05 × 608,746.70
  4. Step 4: Simplify right side
    648,112.70x = 591,804,701,029.64
  5. Step 5: Solve for x
    x = 591,804,701,029.64/648,112.70
  6. Step 6: Final answer
    x = 913,120.05

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Double scale
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Similar ratio
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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.