Home / 691,725.90-1,036,616.85-549,813.90

Finding the Fourth Proportional to 691,725.90, 1,036,616.85 and 549,813.90

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Solution

The fourth proportional to 691,725.90, 1,036,616.85 and 549,813.90 is: 823,948.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,725.90 : 1,036,616.85 = 549,813.90 : x
  2. Step 2: Convert to fraction form
    691,725.90/1,036,616.85 = 549,813.90/x
  3. Step 3: Cross multiply
    691,725.90x = 1,036,616.85 × 549,813.90
  4. Step 4: Simplify right side
    691,725.90x = 569,946,353,104.22
  5. Step 5: Solve for x
    x = 569,946,353,104.22/691,725.90
  6. Step 6: Final answer
    x = 823,948.26

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1.5x scale

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.