Home / 988,888.05-1,482,840.83-314,881.35

Finding the Fourth Proportional to 988,888.05, 1,482,840.83 and 314,881.35

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Solution

The fourth proportional to 988,888.05, 1,482,840.83 and 314,881.35 is: 472,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,888.05 : 1,482,840.83 = 314,881.35 : x
  2. Step 2: Convert to fraction form
    988,888.05/1,482,840.83 = 314,881.35/x
  3. Step 3: Cross multiply
    988,888.05x = 1,482,840.83 × 314,881.35
  4. Step 4: Simplify right side
    988,888.05x = 466,918,920,811.11
  5. Step 5: Solve for x
    x = 466,918,920,811.11/988,888.05
  6. Step 6: Final answer
    x = 472,165.60

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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.