Home / 988,258.64-1,482,948.27-455,779.76

Finding the Fourth Proportional to 988,258.64, 1,482,948.27 and 455,779.76

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Solution

The fourth proportional to 988,258.64, 1,482,948.27 and 455,779.76 is: 683,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,258.64 : 1,482,948.27 = 455,779.76 : x
  2. Step 2: Convert to fraction form
    988,258.64/1,482,948.27 = 455,779.76/x
  3. Step 3: Cross multiply
    988,258.64x = 1,482,948.27 × 455,779.76
  4. Step 4: Simplify right side
    988,258.64x = 675,897,799,178.27
  5. Step 5: Solve for x
    x = 675,897,799,178.27/988,258.64
  6. Step 6: Final answer
    x = 683,928.05

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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.