Home / 891,880.39-1,230,798.28-483,982.32

Finding the Fourth Proportional to 891,880.39, 1,230,798.28 and 483,982.32

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Solution

The fourth proportional to 891,880.39, 1,230,798.28 and 483,982.32 is: 667,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,880.39 : 1,230,798.28 = 483,982.32 : x
  2. Step 2: Convert to fraction form
    891,880.39/1,230,798.28 = 483,982.32/x
  3. Step 3: Cross multiply
    891,880.39x = 1,230,798.28 × 483,982.32
  4. Step 4: Simplify right side
    891,880.39x = 595,684,602,995.89
  5. Step 5: Solve for x
    x = 595,684,602,995.89/891,880.39
  6. Step 6: Final answer
    x = 667,897.41

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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.