Home / 592,641.45-817,838.95-320,703.39

Finding the Fourth Proportional to 592,641.45, 817,838.95 and 320,703.39

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Solution

The fourth proportional to 592,641.45, 817,838.95 and 320,703.39 is: 442,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,641.45 : 817,838.95 = 320,703.39 : x
  2. Step 2: Convert to fraction form
    592,641.45/817,838.95 = 320,703.39/x
  3. Step 3: Cross multiply
    592,641.45x = 817,838.95 × 320,703.39
  4. Step 4: Simplify right side
    592,641.45x = 262,283,723,739.04
  5. Step 5: Solve for x
    x = 262,283,723,739.04/592,641.45
  6. Step 6: Final answer
    x = 442,567.30

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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.