Home / 931,029.02-1,284,820.92-528,621.02

Finding the Fourth Proportional to 931,029.02, 1,284,820.92 and 528,621.02

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Solution

The fourth proportional to 931,029.02, 1,284,820.92 and 528,621.02 is: 729,497.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,029.02 : 1,284,820.92 = 528,621.02 : x
  2. Step 2: Convert to fraction form
    931,029.02/1,284,820.92 = 528,621.02/x
  3. Step 3: Cross multiply
    931,029.02x = 1,284,820.92 × 528,621.02
  4. Step 4: Simplify right side
    931,029.02x = 679,183,345,247.74
  5. Step 5: Solve for x
    x = 679,183,345,247.74/931,029.02
  6. Step 6: Final answer
    x = 729,497.50

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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.