Home / 779,825.55-1,076,120.81-435,593.12

Finding the Fourth Proportional to 779,825.55, 1,076,120.81 and 435,593.12

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Solution

The fourth proportional to 779,825.55, 1,076,120.81 and 435,593.12 is: 601,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,825.55 : 1,076,120.81 = 435,593.12 : x
  2. Step 2: Convert to fraction form
    779,825.55/1,076,120.81 = 435,593.12/x
  3. Step 3: Cross multiply
    779,825.55x = 1,076,120.81 × 435,593.12
  4. Step 4: Simplify right side
    779,825.55x = 468,750,818,178.36
  5. Step 5: Solve for x
    x = 468,750,818,178.36/779,825.55
  6. Step 6: Final answer
    x = 601,097.03

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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.