Home / 780,843.02-1,077,557.28-436,679.48

Finding the Fourth Proportional to 780,843.02, 1,077,557.28 and 436,679.48

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Solution

The fourth proportional to 780,843.02, 1,077,557.28 and 436,679.48 is: 602,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,843.02 : 1,077,557.28 = 436,679.48 : x
  2. Step 2: Convert to fraction form
    780,843.02/1,077,557.28 = 436,679.48/x
  3. Step 3: Cross multiply
    780,843.02x = 1,077,557.28 × 436,679.48
  4. Step 4: Simplify right side
    780,843.02x = 470,547,147,312.83
  5. Step 5: Solve for x
    x = 470,547,147,312.83/780,843.02
  6. Step 6: Final answer
    x = 602,614.27

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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.