Home / 740,316.30-1,110,733.65-319,893.90

Finding the Fourth Proportional to 740,316.30, 1,110,733.65 and 319,893.90

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Solution

The fourth proportional to 740,316.30, 1,110,733.65 and 319,893.90 is: 479,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,316.30 : 1,110,733.65 = 319,893.90 : x
  2. Step 2: Convert to fraction form
    740,316.30/1,110,733.65 = 319,893.90/x
  3. Step 3: Cross multiply
    740,316.30x = 1,110,733.65 × 319,893.90
  4. Step 4: Simplify right side
    740,316.30x = 355,316,919,159.74
  5. Step 5: Solve for x
    x = 355,316,919,159.74/740,316.30
  6. Step 6: Final answer
    x = 479,952.85

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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.