Home / 959,547.06-1,439,222.07-319,781.91

Finding the Fourth Proportional to 959,547.06, 1,439,222.07 and 319,781.91

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Solution

The fourth proportional to 959,547.06, 1,439,222.07 and 319,781.91 is: 479,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,547.06 : 1,439,222.07 = 319,781.91 : x
  2. Step 2: Convert to fraction form
    959,547.06/1,439,222.07 = 319,781.91/x
  3. Step 3: Cross multiply
    959,547.06x = 1,439,222.07 × 319,781.91
  4. Step 4: Simplify right side
    959,547.06x = 460,237,182,458.75
  5. Step 5: Solve for x
    x = 460,237,182,458.75/959,547.06
  6. Step 6: Final answer
    x = 479,640.03

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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.