Home / 592,428.06-817,549.61-320,496.21

Finding the Fourth Proportional to 592,428.06, 817,549.61 and 320,496.21

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Solution

The fourth proportional to 592,428.06, 817,549.61 and 320,496.21 is: 442,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,428.06 : 817,549.61 = 320,496.21 : x
  2. Step 2: Convert to fraction form
    592,428.06/817,549.61 = 320,496.21/x
  3. Step 3: Cross multiply
    592,428.06x = 817,549.61 × 320,496.21
  4. Step 4: Simplify right side
    592,428.06x = 262,021,549,889.50
  5. Step 5: Solve for x
    x = 262,021,549,889.50/592,428.06
  6. Step 6: Final answer
    x = 442,284.17

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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.