Home / 751,641.32-1,037,307.45-445,898.72

Finding the Fourth Proportional to 751,641.32, 1,037,307.45 and 445,898.72

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Solution

The fourth proportional to 751,641.32, 1,037,307.45 and 445,898.72 is: 615,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,641.32 : 1,037,307.45 = 445,898.72 : x
  2. Step 2: Convert to fraction form
    751,641.32/1,037,307.45 = 445,898.72/x
  3. Step 3: Cross multiply
    751,641.32x = 1,037,307.45 × 445,898.72
  4. Step 4: Simplify right side
    751,641.32x = 462,534,059,014.93
  5. Step 5: Solve for x
    x = 462,534,059,014.93/751,641.32
  6. Step 6: Final answer
    x = 615,365.40

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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.