Home / 703,821.28-972,075.48-477,073.12

Finding the Fourth Proportional to 703,821.28, 972,075.48 and 477,073.12

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Solution

The fourth proportional to 703,821.28, 972,075.48 and 477,073.12 is: 658,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,821.28 : 972,075.48 = 477,073.12 : x
  2. Step 2: Convert to fraction form
    703,821.28/972,075.48 = 477,073.12/x
  3. Step 3: Cross multiply
    703,821.28x = 972,075.48 × 477,073.12
  4. Step 4: Simplify right side
    703,821.28x = 463,751,082,119.10
  5. Step 5: Solve for x
    x = 463,751,082,119.10/703,821.28
  6. Step 6: Final answer
    x = 658,904.60

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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.