Home / 1,029,893.80-1,544,840.70-319,916.20

Finding the Fourth Proportional to 1,029,893.80, 1,544,840.70 and 319,916.20

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Solution

The fourth proportional to 1,029,893.80, 1,544,840.70 and 319,916.20 is: 479,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,893.80 : 1,544,840.70 = 319,916.20 : x
  2. Step 2: Convert to fraction form
    1,029,893.80/1,544,840.70 = 319,916.20/x
  3. Step 3: Cross multiply
    1,029,893.80x = 1,544,840.70 × 319,916.20
  4. Step 4: Simplify right side
    1,029,893.80x = 494,219,566,349.34
  5. Step 5: Solve for x
    x = 494,219,566,349.34/1,029,893.80
  6. Step 6: Final answer
    x = 479,874.30

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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.