Home / 695,513.40-1,044,047.70-538,438.20

Finding the Fourth Proportional to 695,513.40, 1,044,047.70 and 538,438.20

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Solution

The fourth proportional to 695,513.40, 1,044,047.70 and 538,438.20 is: 808,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,513.40 : 1,044,047.70 = 538,438.20 : x
  2. Step 2: Convert to fraction form
    695,513.40/1,044,047.70 = 538,438.20/x
  3. Step 3: Cross multiply
    695,513.40x = 1,044,047.70 × 538,438.20
  4. Step 4: Simplify right side
    695,513.40x = 562,155,164,302.14
  5. Step 5: Solve for x
    x = 562,155,164,302.14/695,513.40
  6. Step 6: Final answer
    x = 808,259.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.