Home / 582,158.06-803,393.75-320,521.34

Finding the Fourth Proportional to 582,158.06, 803,393.75 and 320,521.34

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Solution

The fourth proportional to 582,158.06, 803,393.75 and 320,521.34 is: 442,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,158.06 : 803,393.75 = 320,521.34 : x
  2. Step 2: Convert to fraction form
    582,158.06/803,393.75 = 320,521.34/x
  3. Step 3: Cross multiply
    582,158.06x = 803,393.75 × 320,521.34
  4. Step 4: Simplify right side
    582,158.06x = 257,504,841,297.63
  5. Step 5: Solve for x
    x = 257,504,841,297.63/582,158.06
  6. Step 6: Final answer
    x = 442,328.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.