Home / 931,510.08-1,397,537.28-300,409.92

Finding the Fourth Proportional to 931,510.08, 1,397,537.28 and 300,409.92

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Solution

The fourth proportional to 931,510.08, 1,397,537.28 and 300,409.92 is: 450,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,510.08 : 1,397,537.28 = 300,409.92 : x
  2. Step 2: Convert to fraction form
    931,510.08/1,397,537.28 = 300,409.92/x
  3. Step 3: Cross multiply
    931,510.08x = 1,397,537.28 × 300,409.92
  4. Step 4: Simplify right side
    931,510.08x = 419,834,062,481.82
  5. Step 5: Solve for x
    x = 419,834,062,481.82/931,510.08
  6. Step 6: Final answer
    x = 450,702.65

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1.5x scale

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.