Home / 939,032.39-1,295,864.78-531,125.45

Finding the Fourth Proportional to 939,032.39, 1,295,864.78 and 531,125.45

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Solution

The fourth proportional to 939,032.39, 1,295,864.78 and 531,125.45 is: 732,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,032.39 : 1,295,864.78 = 531,125.45 : x
  2. Step 2: Convert to fraction form
    939,032.39/1,295,864.78 = 531,125.45/x
  3. Step 3: Cross multiply
    939,032.39x = 1,295,864.78 × 531,125.45
  4. Step 4: Simplify right side
    939,032.39x = 688,266,763,128.77
  5. Step 5: Solve for x
    x = 688,266,763,128.77/939,032.39
  6. Step 6: Final answer
    x = 732,953.17

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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.