Home / 878,642.46-1,316,600.48-609,295.98

Finding the Fourth Proportional to 878,642.46, 1,316,600.48 and 609,295.98

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Solution

The fourth proportional to 878,642.46, 1,316,600.48 and 609,295.98 is: 912,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,642.46 : 1,316,600.48 = 609,295.98 : x
  2. Step 2: Convert to fraction form
    878,642.46/1,316,600.48 = 609,295.98/x
  3. Step 3: Cross multiply
    878,642.46x = 1,316,600.48 × 609,295.98
  4. Step 4: Simplify right side
    878,642.46x = 802,199,380,138.84
  5. Step 5: Solve for x
    x = 802,199,380,138.84/878,642.46
  6. Step 6: Final answer
    x = 912,998.65

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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.