Home / 691,725.40-1,036,616.10-549,813.40

Finding the Fourth Proportional to 691,725.40, 1,036,616.10 and 549,813.40

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Solution

The fourth proportional to 691,725.40, 1,036,616.10 and 549,813.40 is: 823,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,725.40 : 1,036,616.10 = 549,813.40 : x
  2. Step 2: Convert to fraction form
    691,725.40/1,036,616.10 = 549,813.40/x
  3. Step 3: Cross multiply
    691,725.40x = 1,036,616.10 × 549,813.40
  4. Step 4: Simplify right side
    691,725.40x = 569,945,422,435.74
  5. Step 5: Solve for x
    x = 569,945,422,435.74/691,725.40
  6. Step 6: Final answer
    x = 823,947.51

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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.