Home / 738,663.90-1,108,032.30-384,369.90

Finding the Fourth Proportional to 738,663.90, 1,108,032.30 and 384,369.90

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Solution

The fourth proportional to 738,663.90, 1,108,032.30 and 384,369.90 is: 576,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,663.90 : 1,108,032.30 = 384,369.90 : x
  2. Step 2: Convert to fraction form
    738,663.90/1,108,032.30 = 384,369.90/x
  3. Step 3: Cross multiply
    738,663.90x = 1,108,032.30 × 384,369.90
  4. Step 4: Simplify right side
    738,663.90x = 425,894,264,347.77
  5. Step 5: Solve for x
    x = 425,894,264,347.77/738,663.90
  6. Step 6: Final answer
    x = 576,573.82

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1.5x scale

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.