Home / 790,264.26-1,090,564.65-427,688.10

Finding the Fourth Proportional to 790,264.26, 1,090,564.65 and 427,688.10

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Solution

The fourth proportional to 790,264.26, 1,090,564.65 and 427,688.10 is: 590,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,264.26 : 1,090,564.65 = 427,688.10 : x
  2. Step 2: Convert to fraction form
    790,264.26/1,090,564.65 = 427,688.10/x
  3. Step 3: Cross multiply
    790,264.26x = 1,090,564.65 × 427,688.10
  4. Step 4: Simplify right side
    790,264.26x = 466,421,523,085.67
  5. Step 5: Solve for x
    x = 466,421,523,085.67/790,264.26
  6. Step 6: Final answer
    x = 590,209.56

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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.