Home / 766,443.89-1,056,890.88-572,547.71

Finding the Fourth Proportional to 766,443.89, 1,056,890.88 and 572,547.71

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Solution

The fourth proportional to 766,443.89, 1,056,890.88 and 572,547.71 is: 789,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,443.89 : 1,056,890.88 = 572,547.71 : x
  2. Step 2: Convert to fraction form
    766,443.89/1,056,890.88 = 572,547.71/x
  3. Step 3: Cross multiply
    766,443.89x = 1,056,890.88 × 572,547.71
  4. Step 4: Simplify right side
    766,443.89x = 605,120,447,779.43
  5. Step 5: Solve for x
    x = 605,120,447,779.43/766,443.89
  6. Step 6: Final answer
    x = 789,516.96

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1.5x scale

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.