Home / 741,001.34-1,022,017.60-637,811.15

Finding the Fourth Proportional to 741,001.34, 1,022,017.60 and 637,811.15

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Solution

The fourth proportional to 741,001.34, 1,022,017.60 and 637,811.15 is: 879,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,001.34 : 1,022,017.60 = 637,811.15 : x
  2. Step 2: Convert to fraction form
    741,001.34/1,022,017.60 = 637,811.15/x
  3. Step 3: Cross multiply
    741,001.34x = 1,022,017.60 × 637,811.15
  4. Step 4: Simplify right side
    741,001.34x = 651,854,220,776.24
  5. Step 5: Solve for x
    x = 651,854,220,776.24/741,001.34
  6. Step 6: Final answer
    x = 879,693.71

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1.5x scale

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.