Home / 790,550.69-1,090,954.95-427,971.91

Finding the Fourth Proportional to 790,550.69, 1,090,954.95 and 427,971.91

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Solution

The fourth proportional to 790,550.69, 1,090,954.95 and 427,971.91 is: 590,598.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,550.69 : 1,090,954.95 = 427,971.91 : x
  2. Step 2: Convert to fraction form
    790,550.69/1,090,954.95 = 427,971.91/x
  3. Step 3: Cross multiply
    790,550.69x = 1,090,954.95 × 427,971.91
  4. Step 4: Simplify right side
    790,550.69x = 466,898,072,552.96
  5. Step 5: Solve for x
    x = 466,898,072,552.96/790,550.69
  6. Step 6: Final answer
    x = 590,598.52

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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.