Home / 927,402.96-1,279,829.40-540,208.50

Finding the Fourth Proportional to 927,402.96, 1,279,829.40 and 540,208.50

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Solution

The fourth proportional to 927,402.96, 1,279,829.40 and 540,208.50 is: 745,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,402.96 : 1,279,829.40 = 540,208.50 : x
  2. Step 2: Convert to fraction form
    927,402.96/1,279,829.40 = 540,208.50/x
  3. Step 3: Cross multiply
    927,402.96x = 1,279,829.40 × 540,208.50
  4. Step 4: Simplify right side
    927,402.96x = 691,374,720,429.90
  5. Step 5: Solve for x
    x = 691,374,720,429.90/927,402.96
  6. Step 6: Final answer
    x = 745,495.49

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1.5x scale

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.