Home / 878,902.35-1,316,989.88-609,555.87

Finding the Fourth Proportional to 878,902.35, 1,316,989.88 and 609,555.87

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Solution

The fourth proportional to 878,902.35, 1,316,989.88 and 609,555.87 is: 913,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,902.35 : 1,316,989.88 = 609,555.87 : x
  2. Step 2: Convert to fraction form
    878,902.35/1,316,989.88 = 609,555.87/x
  3. Step 3: Cross multiply
    878,902.35x = 1,316,989.88 × 609,555.87
  4. Step 4: Simplify right side
    878,902.35x = 802,778,909,036.82
  5. Step 5: Solve for x
    x = 802,778,909,036.82/878,902.35
  6. Step 6: Final answer
    x = 913,388.06

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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.