Home / 907,639.66-1,252,532.40-499,733.18

Finding the Fourth Proportional to 907,639.66, 1,252,532.40 and 499,733.18

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Solution

The fourth proportional to 907,639.66, 1,252,532.40 and 499,733.18 is: 689,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,639.66 : 1,252,532.40 = 499,733.18 : x
  2. Step 2: Convert to fraction form
    907,639.66/1,252,532.40 = 499,733.18/x
  3. Step 3: Cross multiply
    907,639.66x = 1,252,532.40 × 499,733.18
  4. Step 4: Simplify right side
    907,639.66x = 625,931,993,042.37
  5. Step 5: Solve for x
    x = 625,931,993,042.37/907,639.66
  6. Step 6: Final answer
    x = 689,626.10

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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.