Home / 897,897.78-1,239,358.05-530,715.06

Finding the Fourth Proportional to 897,897.78, 1,239,358.05 and 530,715.06

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Solution

The fourth proportional to 897,897.78, 1,239,358.05 and 530,715.06 is: 732,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,897.78 : 1,239,358.05 = 530,715.06 : x
  2. Step 2: Convert to fraction form
    897,897.78/1,239,358.05 = 530,715.06/x
  3. Step 3: Cross multiply
    897,897.78x = 1,239,358.05 × 530,715.06
  4. Step 4: Simplify right side
    897,897.78x = 657,745,981,867.23
  5. Step 5: Solve for x
    x = 657,745,981,867.23/897,897.78
  6. Step 6: Final answer
    x = 732,539.94

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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.