Home / 670,733.40-1,006,148.70-403,919.40

Finding the Fourth Proportional to 670,733.40, 1,006,148.70 and 403,919.40

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Solution

The fourth proportional to 670,733.40, 1,006,148.70 and 403,919.40 is: 605,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,733.40 : 1,006,148.70 = 403,919.40 : x
  2. Step 2: Convert to fraction form
    670,733.40/1,006,148.70 = 403,919.40/x
  3. Step 3: Cross multiply
    670,733.40x = 1,006,148.70 × 403,919.40
  4. Step 4: Simplify right side
    670,733.40x = 406,402,979,214.78
  5. Step 5: Solve for x
    x = 406,402,979,214.78/670,733.40
  6. Step 6: Final answer
    x = 605,908.37

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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.