Home / 768,040.20-1,152,060.30-235,643.40

Finding the Fourth Proportional to 768,040.20, 1,152,060.30 and 235,643.40

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Solution

The fourth proportional to 768,040.20, 1,152,060.30 and 235,643.40 is: 353,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,040.20 : 1,152,060.30 = 235,643.40 : x
  2. Step 2: Convert to fraction form
    768,040.20/1,152,060.30 = 235,643.40/x
  3. Step 3: Cross multiply
    768,040.20x = 1,152,060.30 × 235,643.40
  4. Step 4: Simplify right side
    768,040.20x = 271,475,406,097.02
  5. Step 5: Solve for x
    x = 271,475,406,097.02/768,040.20
  6. Step 6: Final answer
    x = 353,465.10

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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.