Home / 528,844.92-791,496.18-434,071.80

Finding the Fourth Proportional to 528,844.92, 791,496.18 and 434,071.80

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Solution

The fourth proportional to 528,844.92, 791,496.18 and 434,071.80 is: 649,653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,844.92 : 791,496.18 = 434,071.80 : x
  2. Step 2: Convert to fraction form
    528,844.92/791,496.18 = 434,071.80/x
  3. Step 3: Cross multiply
    528,844.92x = 791,496.18 × 434,071.80
  4. Step 4: Simplify right side
    528,844.92x = 343,566,171,545.72
  5. Step 5: Solve for x
    x = 343,566,171,545.72/528,844.92
  6. Step 6: Final answer
    x = 649,653.91

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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.