Home / 707,271.92-976,056.74-500,910

Finding the Fourth Proportional to 707,271.92, 976,056.74 and 500,910

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Solution

The fourth proportional to 707,271.92, 976,056.74 and 500,910 is: 691,271.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,271.92 : 976,056.74 = 500,910 : x
  2. Step 2: Convert to fraction form
    707,271.92/976,056.74 = 500,910/x
  3. Step 3: Cross multiply
    707,271.92x = 976,056.74 × 500,910
  4. Step 4: Simplify right side
    707,271.92x = 488,916,579,128.85
  5. Step 5: Solve for x
    x = 488,916,579,128.85/707,271.92
  6. Step 6: Final answer
    x = 691,271.02

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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.