Home / 691,318.40-1,036,005.60-549,406.40

Finding the Fourth Proportional to 691,318.40, 1,036,005.60 and 549,406.40

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Solution

The fourth proportional to 691,318.40, 1,036,005.60 and 549,406.40 is: 823,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,318.40 : 1,036,005.60 = 549,406.40 : x
  2. Step 2: Convert to fraction form
    691,318.40/1,036,005.60 = 549,406.40/x
  3. Step 3: Cross multiply
    691,318.40x = 1,036,005.60 × 549,406.40
  4. Step 4: Simplify right side
    691,318.40x = 569,188,107,075.84
  5. Step 5: Solve for x
    x = 569,188,107,075.84/691,318.40
  6. Step 6: Final answer
    x = 823,337.13

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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.