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Finding the Fourth Proportional to 670,302.60, 925,007.22 and 368,490.12

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Solution

The fourth proportional to 670,302.60, 925,007.22 and 368,490.12 is: 508,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,302.60 : 925,007.22 = 368,490.12 : x
  2. Step 2: Convert to fraction form
    670,302.60/925,007.22 = 368,490.12/x
  3. Step 3: Cross multiply
    670,302.60x = 925,007.22 × 368,490.12
  4. Step 4: Simplify right side
    670,302.60x = 340,856,021,498.67
  5. Step 5: Solve for x
    x = 340,856,021,498.67/670,302.60
  6. Step 6: Final answer
    x = 508,510.67

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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.