Home / 528,211.29-792,030.21-239,864.61

Finding the Fourth Proportional to 528,211.29, 792,030.21 and 239,864.61

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Solution

The fourth proportional to 528,211.29, 792,030.21 and 239,864.61 is: 359,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,211.29 : 792,030.21 = 239,864.61 : x
  2. Step 2: Convert to fraction form
    528,211.29/792,030.21 = 239,864.61/x
  3. Step 3: Cross multiply
    528,211.29x = 792,030.21 × 239,864.61
  4. Step 4: Simplify right side
    528,211.29x = 189,980,017,429.87
  5. Step 5: Solve for x
    x = 189,980,017,429.87/528,211.29
  6. Step 6: Final answer
    x = 359,666.71

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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.