Home / 911,785.02-1,258,288.47-503,913.30

Finding the Fourth Proportional to 911,785.02, 1,258,288.47 and 503,913.30

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Solution

The fourth proportional to 911,785.02, 1,258,288.47 and 503,913.30 is: 695,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,785.02 : 1,258,288.47 = 503,913.30 : x
  2. Step 2: Convert to fraction form
    911,785.02/1,258,288.47 = 503,913.30/x
  3. Step 3: Cross multiply
    911,785.02x = 1,258,288.47 × 503,913.30
  4. Step 4: Simplify right side
    911,785.02x = 634,068,295,269.65
  5. Step 5: Solve for x
    x = 634,068,295,269.65/911,785.02
  6. Step 6: Final answer
    x = 695,414.25

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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.