Home / 851,890.76-1,277,463.23-319,038.13

Finding the Fourth Proportional to 851,890.76, 1,277,463.23 and 319,038.13

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Solution

The fourth proportional to 851,890.76, 1,277,463.23 and 319,038.13 is: 478,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,890.76 : 1,277,463.23 = 319,038.13 : x
  2. Step 2: Convert to fraction form
    851,890.76/1,277,463.23 = 319,038.13/x
  3. Step 3: Cross multiply
    851,890.76x = 1,277,463.23 × 319,038.13
  4. Step 4: Simplify right side
    851,890.76x = 407,559,480,042.96
  5. Step 5: Solve for x
    x = 407,559,480,042.96/851,890.76
  6. Step 6: Final answer
    x = 478,417.54

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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.