Home / 670,580.95-925,426.04-384,156.39

Finding the Fourth Proportional to 670,580.95, 925,426.04 and 384,156.39

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Solution

The fourth proportional to 670,580.95, 925,426.04 and 384,156.39 is: 530,149.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,580.95 : 925,426.04 = 384,156.39 : x
  2. Step 2: Convert to fraction form
    670,580.95/925,426.04 = 384,156.39/x
  3. Step 3: Cross multiply
    670,580.95x = 925,426.04 × 384,156.39
  4. Step 4: Simplify right side
    670,580.95x = 355,508,326,738.40
  5. Step 5: Solve for x
    x = 355,508,326,738.40/670,580.95
  6. Step 6: Final answer
    x = 530,149.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.