Home / 781,916.04-1,078,984.49-437,673.13

Finding the Fourth Proportional to 781,916.04, 1,078,984.49 and 437,673.13

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Solution

The fourth proportional to 781,916.04, 1,078,984.49 and 437,673.13 is: 603,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,916.04 : 1,078,984.49 = 437,673.13 : x
  2. Step 2: Convert to fraction form
    781,916.04/1,078,984.49 = 437,673.13/x
  3. Step 3: Cross multiply
    781,916.04x = 1,078,984.49 × 437,673.13
  4. Step 4: Simplify right side
    781,916.04x = 472,242,514,073.93
  5. Step 5: Solve for x
    x = 472,242,514,073.93/781,916.04
  6. Step 6: Final answer
    x = 603,955.53

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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.