Home / 835,509.43-1,253,312.88-236,420.47

Finding the Fourth Proportional to 835,509.43, 1,253,312.88 and 236,420.47

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Solution

The fourth proportional to 835,509.43, 1,253,312.88 and 236,420.47 is: 354,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,509.43 : 1,253,312.88 = 236,420.47 : x
  2. Step 2: Convert to fraction form
    835,509.43/1,253,312.88 = 236,420.47/x
  3. Step 3: Cross multiply
    835,509.43x = 1,253,312.88 × 236,420.47
  4. Step 4: Simplify right side
    835,509.43x = 296,308,820,146.65
  5. Step 5: Solve for x
    x = 296,308,820,146.65/835,509.43
  6. Step 6: Final answer
    x = 354,644.50

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Double scale
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1.5x scale

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.