Home / 691,318.90-1,036,006.35-549,406.90

Finding the Fourth Proportional to 691,318.90, 1,036,006.35 and 549,406.90

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Solution

The fourth proportional to 691,318.90, 1,036,006.35 and 549,406.90 is: 823,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,318.90 : 1,036,006.35 = 549,406.90 : x
  2. Step 2: Convert to fraction form
    691,318.90/1,036,006.35 = 549,406.90/x
  3. Step 3: Cross multiply
    691,318.90x = 1,036,006.35 × 549,406.90
  4. Step 4: Simplify right side
    691,318.90x = 569,189,037,133.82
  5. Step 5: Solve for x
    x = 569,189,037,133.82/691,318.90
  6. Step 6: Final answer
    x = 823,337.88

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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.