Home / 369,798.03-556,017.45-340,568.78

Finding the Fourth Proportional to 369,798.03, 556,017.45 and 340,568.78

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Solution

The fourth proportional to 369,798.03, 556,017.45 and 340,568.78 is: 512,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,798.03 : 556,017.45 = 340,568.78 : x
  2. Step 2: Convert to fraction form
    369,798.03/556,017.45 = 340,568.78/x
  3. Step 3: Cross multiply
    369,798.03x = 556,017.45 × 340,568.78
  4. Step 4: Simplify right side
    369,798.03x = 189,362,181,825.12
  5. Step 5: Solve for x
    x = 189,362,181,825.12/369,798.03
  6. Step 6: Final answer
    x = 512,069.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.