Home / 691,729.90-1,036,622.85-549,817.90

Finding the Fourth Proportional to 691,729.90, 1,036,622.85 and 549,817.90

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Solution

The fourth proportional to 691,729.90, 1,036,622.85 and 549,817.90 is: 823,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,729.90 : 1,036,622.85 = 549,817.90 : x
  2. Step 2: Convert to fraction form
    691,729.90/1,036,622.85 = 549,817.90/x
  3. Step 3: Cross multiply
    691,729.90x = 1,036,622.85 × 549,817.90
  4. Step 4: Simplify right side
    691,729.90x = 569,953,798,479.02
  5. Step 5: Solve for x
    x = 569,953,798,479.02/691,729.90
  6. Step 6: Final answer
    x = 823,954.26

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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.