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Finding the Fourth Proportional to 592,396.61, 817,386.53 and 350,558.15

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Solution

The fourth proportional to 592,396.61, 817,386.53 and 350,558.15 is: 483,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,396.61 : 817,386.53 = 350,558.15 : x
  2. Step 2: Convert to fraction form
    592,396.61/817,386.53 = 350,558.15/x
  3. Step 3: Cross multiply
    592,396.61x = 817,386.53 × 350,558.15
  4. Step 4: Simplify right side
    592,396.61x = 286,541,503,952.00
  5. Step 5: Solve for x
    x = 286,541,503,952.00/592,396.61
  6. Step 6: Final answer
    x = 483,698.76

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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.