Home / 971,411.81-1,456,235.61-339,981.17

Finding the Fourth Proportional to 971,411.81, 1,456,235.61 and 339,981.17

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Solution

The fourth proportional to 971,411.81, 1,456,235.61 and 339,981.17 is: 509,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,411.81 : 1,456,235.61 = 339,981.17 : x
  2. Step 2: Convert to fraction form
    971,411.81/1,456,235.61 = 339,981.17/x
  3. Step 3: Cross multiply
    971,411.81x = 1,456,235.61 × 339,981.17
  4. Step 4: Simplify right side
    971,411.81x = 495,092,686,483.46
  5. Step 5: Solve for x
    x = 495,092,686,483.46/971,411.81
  6. Step 6: Final answer
    x = 509,663.03

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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.