Home / 971,942.76-1,341,281.58-542,222.89

Finding the Fourth Proportional to 971,942.76, 1,341,281.58 and 542,222.89

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Solution

The fourth proportional to 971,942.76, 1,341,281.58 and 542,222.89 is: 748,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,942.76 : 1,341,281.58 = 542,222.89 : x
  2. Step 2: Convert to fraction form
    971,942.76/1,341,281.58 = 542,222.89/x
  3. Step 3: Cross multiply
    971,942.76x = 1,341,281.58 × 542,222.89
  4. Step 4: Simplify right side
    971,942.76x = 727,273,574,611.37
  5. Step 5: Solve for x
    x = 727,273,574,611.37/971,942.76
  6. Step 6: Final answer
    x = 748,267.91

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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.