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Finding the Fourth Proportional to 703,206.07, 970,429.04 and 380,916.17

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Solution

The fourth proportional to 703,206.07, 970,429.04 and 380,916.17 is: 525,666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,206.07 : 970,429.04 = 380,916.17 : x
  2. Step 2: Convert to fraction form
    703,206.07/970,429.04 = 380,916.17/x
  3. Step 3: Cross multiply
    703,206.07x = 970,429.04 × 380,916.17
  4. Step 4: Simplify right side
    703,206.07x = 369,652,106,416.85
  5. Step 5: Solve for x
    x = 369,652,106,416.85/703,206.07
  6. Step 6: Final answer
    x = 525,666.83

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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.