Home / 807,008.34-1,113,628.86-462,826.48

Finding the Fourth Proportional to 807,008.34, 1,113,628.86 and 462,826.48

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Solution

The fourth proportional to 807,008.34, 1,113,628.86 and 462,826.48 is: 638,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,008.34 : 1,113,628.86 = 462,826.48 : x
  2. Step 2: Convert to fraction form
    807,008.34/1,113,628.86 = 462,826.48/x
  3. Step 3: Cross multiply
    807,008.34x = 1,113,628.86 × 462,826.48
  4. Step 4: Simplify right side
    807,008.34x = 515,416,925,300.21
  5. Step 5: Solve for x
    x = 515,416,925,300.21/807,008.34
  6. Step 6: Final answer
    x = 638,676.08

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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.