Home / 689,917.06-1,034,880.18-240,636.25

Finding the Fourth Proportional to 689,917.06, 1,034,880.18 and 240,636.25

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Solution

The fourth proportional to 689,917.06, 1,034,880.18 and 240,636.25 is: 360,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,917.06 : 1,034,880.18 = 240,636.25 : x
  2. Step 2: Convert to fraction form
    689,917.06/1,034,880.18 = 240,636.25/x
  3. Step 3: Cross multiply
    689,917.06x = 1,034,880.18 × 240,636.25
  4. Step 4: Simplify right side
    689,917.06x = 249,029,685,714.53
  5. Step 5: Solve for x
    x = 249,029,685,714.53/689,917.06
  6. Step 6: Final answer
    x = 360,955.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.