Home / 780,724.16-1,077,401.30-436,572.58

Finding the Fourth Proportional to 780,724.16, 1,077,401.30 and 436,572.58

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Solution

The fourth proportional to 780,724.16, 1,077,401.30 and 436,572.58 is: 602,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,724.16 : 1,077,401.30 = 436,572.58 : x
  2. Step 2: Convert to fraction form
    780,724.16/1,077,401.30 = 436,572.58/x
  3. Step 3: Cross multiply
    780,724.16x = 1,077,401.30 × 436,572.58
  4. Step 4: Simplify right side
    780,724.16x = 470,363,865,236.35
  5. Step 5: Solve for x
    x = 470,363,865,236.35/780,724.16
  6. Step 6: Final answer
    x = 602,471.26

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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.