Home / 949,811.45-1,310,740.08-514,228.71

Finding the Fourth Proportional to 949,811.45, 1,310,740.08 and 514,228.71

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Solution

The fourth proportional to 949,811.45, 1,310,740.08 and 514,228.71 is: 709,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,811.45 : 1,310,740.08 = 514,228.71 : x
  2. Step 2: Convert to fraction form
    949,811.45/1,310,740.08 = 514,228.71/x
  3. Step 3: Cross multiply
    949,811.45x = 1,310,740.08 × 514,228.71
  4. Step 4: Simplify right side
    949,811.45x = 674,020,180,483.70
  5. Step 5: Solve for x
    x = 674,020,180,483.70/949,811.45
  6. Step 6: Final answer
    x = 709,635.77

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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.