Home / 790,086.11-1,090,316.63-427,516.12

Finding the Fourth Proportional to 790,086.11, 1,090,316.63 and 427,516.12

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Solution

The fourth proportional to 790,086.11, 1,090,316.63 and 427,516.12 is: 589,971.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,086.11 : 1,090,316.63 = 427,516.12 : x
  2. Step 2: Convert to fraction form
    790,086.11/1,090,316.63 = 427,516.12/x
  3. Step 3: Cross multiply
    790,086.11x = 1,090,316.63 × 427,516.12
  4. Step 4: Simplify right side
    790,086.11x = 466,127,927,639.91
  5. Step 5: Solve for x
    x = 466,127,927,639.91/790,086.11
  6. Step 6: Final answer
    x = 589,971.04

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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.