Home / 811,740.63-1,120,125.78-549,562.62

Finding the Fourth Proportional to 811,740.63, 1,120,125.78 and 549,562.62

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Solution

The fourth proportional to 811,740.63, 1,120,125.78 and 549,562.62 is: 758,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,740.63 : 1,120,125.78 = 549,562.62 : x
  2. Step 2: Convert to fraction form
    811,740.63/1,120,125.78 = 549,562.62/x
  3. Step 3: Cross multiply
    811,740.63x = 1,120,125.78 × 549,562.62
  4. Step 4: Simplify right side
    811,740.63x = 615,579,258,386.34
  5. Step 5: Solve for x
    x = 615,579,258,386.34/811,740.63
  6. Step 6: Final answer
    x = 758,344.77

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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.