Home / 780,970.52-1,077,741.64-436,812.24

Finding the Fourth Proportional to 780,970.52, 1,077,741.64 and 436,812.24

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Solution

The fourth proportional to 780,970.52, 1,077,741.64 and 436,812.24 is: 602,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,970.52 : 1,077,741.64 = 436,812.24 : x
  2. Step 2: Convert to fraction form
    780,970.52/1,077,741.64 = 436,812.24/x
  3. Step 3: Cross multiply
    780,970.52x = 1,077,741.64 × 436,812.24
  4. Step 4: Simplify right side
    780,970.52x = 470,770,743,882.93
  5. Step 5: Solve for x
    x = 470,770,743,882.93/780,970.52
  6. Step 6: Final answer
    x = 602,802.19

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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.