Home / 670,177.40-1,005,314.70-403,363.40

Finding the Fourth Proportional to 670,177.40, 1,005,314.70 and 403,363.40

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Solution

The fourth proportional to 670,177.40, 1,005,314.70 and 403,363.40 is: 605,074.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,177.40 : 1,005,314.70 = 403,363.40 : x
  2. Step 2: Convert to fraction form
    670,177.40/1,005,314.70 = 403,363.40/x
  3. Step 3: Cross multiply
    670,177.40x = 1,005,314.70 × 403,363.40
  4. Step 4: Simplify right side
    670,177.40x = 405,507,155,461.98
  5. Step 5: Solve for x
    x = 405,507,155,461.98/670,177.40
  6. Step 6: Final answer
    x = 605,074.35

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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.