Home / 891,883.40-1,230,802.43-483,985.32

Finding the Fourth Proportional to 891,883.40, 1,230,802.43 and 483,985.32

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Solution

The fourth proportional to 891,883.40, 1,230,802.43 and 483,985.32 is: 667,901.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,883.40 : 1,230,802.43 = 483,985.32 : x
  2. Step 2: Convert to fraction form
    891,883.40/1,230,802.43 = 483,985.32/x
  3. Step 3: Cross multiply
    891,883.40x = 1,230,802.43 × 483,985.32
  4. Step 4: Simplify right side
    891,883.40x = 595,690,305,520.40
  5. Step 5: Solve for x
    x = 595,690,305,520.40/891,883.40
  6. Step 6: Final answer
    x = 667,901.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.