Home / 772,943.26-1,158,871.63-340,455.47

Finding the Fourth Proportional to 772,943.26, 1,158,871.63 and 340,455.47

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Solution

The fourth proportional to 772,943.26, 1,158,871.63 and 340,455.47 is: 510,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,943.26 : 1,158,871.63 = 340,455.47 : x
  2. Step 2: Convert to fraction form
    772,943.26/1,158,871.63 = 340,455.47/x
  3. Step 3: Cross multiply
    772,943.26x = 1,158,871.63 × 340,455.47
  4. Step 4: Simplify right side
    772,943.26x = 394,544,185,461.32
  5. Step 5: Solve for x
    x = 394,544,185,461.32/772,943.26
  6. Step 6: Final answer
    x = 510,443.92

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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.