Home / 780,856.94-1,077,574.99-436,688.96

Finding the Fourth Proportional to 780,856.94, 1,077,574.99 and 436,688.96

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Solution

The fourth proportional to 780,856.94, 1,077,574.99 and 436,688.96 is: 602,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,856.94 : 1,077,574.99 = 436,688.96 : x
  2. Step 2: Convert to fraction form
    780,856.94/1,077,574.99 = 436,688.96/x
  3. Step 3: Cross multiply
    780,856.94x = 1,077,574.99 × 436,688.96
  4. Step 4: Simplify right side
    780,856.94x = 470,565,094,133.79
  5. Step 5: Solve for x
    x = 470,565,094,133.79/780,856.94
  6. Step 6: Final answer
    x = 602,626.51

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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.