Home / 931,027.02-1,284,818.16-528,619.02

Finding the Fourth Proportional to 931,027.02, 1,284,818.16 and 528,619.02

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Solution

The fourth proportional to 931,027.02, 1,284,818.16 and 528,619.02 is: 729,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,027.02 : 1,284,818.16 = 528,619.02 : x
  2. Step 2: Convert to fraction form
    931,027.02/1,284,818.16 = 528,619.02/x
  3. Step 3: Cross multiply
    931,027.02x = 1,284,818.16 × 528,619.02
  4. Step 4: Simplify right side
    931,027.02x = 679,179,316,617.40
  5. Step 5: Solve for x
    x = 679,179,316,617.40/931,027.02
  6. Step 6: Final answer
    x = 729,494.74

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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.