Home / 855,176.22-1,180,267.74-492,529.50

Finding the Fourth Proportional to 855,176.22, 1,180,267.74 and 492,529.50

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Solution

The fourth proportional to 855,176.22, 1,180,267.74 and 492,529.50 is: 679,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,176.22 : 1,180,267.74 = 492,529.50 : x
  2. Step 2: Convert to fraction form
    855,176.22/1,180,267.74 = 492,529.50/x
  3. Step 3: Cross multiply
    855,176.22x = 1,180,267.74 × 492,529.50
  4. Step 4: Simplify right side
    855,176.22x = 581,316,679,848.33
  5. Step 5: Solve for x
    x = 581,316,679,848.33/855,176.22
  6. Step 6: Final answer
    x = 679,762.45

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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.