Home / 764,038.11-1,054,378.85-477,724.17

Finding the Fourth Proportional to 764,038.11, 1,054,378.85 and 477,724.17

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Solution

The fourth proportional to 764,038.11, 1,054,378.85 and 477,724.17 is: 659,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,038.11 : 1,054,378.85 = 477,724.17 : x
  2. Step 2: Convert to fraction form
    764,038.11/1,054,378.85 = 477,724.17/x
  3. Step 3: Cross multiply
    764,038.11x = 1,054,378.85 × 477,724.17
  4. Step 4: Simplify right side
    764,038.11x = 503,702,258,593.18
  5. Step 5: Solve for x
    x = 503,702,258,593.18/764,038.11
  6. Step 6: Final answer
    x = 659,263.26

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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.