Home / 513,766.23-709,140.02-298,947.93

Finding the Fourth Proportional to 513,766.23, 709,140.02 and 298,947.93

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Solution

The fourth proportional to 513,766.23, 709,140.02 and 298,947.93 is: 412,631.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,766.23 : 709,140.02 = 298,947.93 : x
  2. Step 2: Convert to fraction form
    513,766.23/709,140.02 = 298,947.93/x
  3. Step 3: Cross multiply
    513,766.23x = 709,140.02 × 298,947.93
  4. Step 4: Simplify right side
    513,766.23x = 211,995,939,564.42
  5. Step 5: Solve for x
    x = 211,995,939,564.42/513,766.23
  6. Step 6: Final answer
    x = 412,631.13

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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.