Home / 806,339.32-1,209,509.02-245,534.20

Finding the Fourth Proportional to 806,339.32, 1,209,509.02 and 245,534.20

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Solution

The fourth proportional to 806,339.32, 1,209,509.02 and 245,534.20 is: 368,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,339.32 : 1,209,509.02 = 245,534.20 : x
  2. Step 2: Convert to fraction form
    806,339.32/1,209,509.02 = 245,534.20/x
  3. Step 3: Cross multiply
    806,339.32x = 1,209,509.02 × 245,534.20
  4. Step 4: Simplify right side
    806,339.32x = 296,975,829,618.48
  5. Step 5: Solve for x
    x = 296,975,829,618.48/806,339.32
  6. Step 6: Final answer
    x = 368,301.31

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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.