Home / 725,813.45-1,001,678.59-435,435.89

Finding the Fourth Proportional to 725,813.45, 1,001,678.59 and 435,435.89

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Solution

The fourth proportional to 725,813.45, 1,001,678.59 and 435,435.89 is: 600,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,813.45 : 1,001,678.59 = 435,435.89 : x
  2. Step 2: Convert to fraction form
    725,813.45/1,001,678.59 = 435,435.89/x
  3. Step 3: Cross multiply
    725,813.45x = 1,001,678.59 × 435,435.89
  4. Step 4: Simplify right side
    725,813.45x = 436,166,808,330.60
  5. Step 5: Solve for x
    x = 436,166,808,330.60/725,813.45
  6. Step 6: Final answer
    x = 600,935.14

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Double scale
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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.