Home / 875,728.32-1,208,507.20-473,320.32

Finding the Fourth Proportional to 875,728.32, 1,208,507.20 and 473,320.32

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Solution

The fourth proportional to 875,728.32, 1,208,507.20 and 473,320.32 is: 653,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,728.32 : 1,208,507.20 = 473,320.32 : x
  2. Step 2: Convert to fraction form
    875,728.32/1,208,507.20 = 473,320.32/x
  3. Step 3: Cross multiply
    875,728.32x = 1,208,507.20 × 473,320.32
  4. Step 4: Simplify right side
    875,728.32x = 572,011,014,626.30
  5. Step 5: Solve for x
    x = 572,011,014,626.30/875,728.32
  6. Step 6: Final answer
    x = 653,183.19

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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.