Home / 904,883.04-1,356,860.40-478,648.88

Finding the Fourth Proportional to 904,883.04, 1,356,860.40 and 478,648.88

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Solution

The fourth proportional to 904,883.04, 1,356,860.40 and 478,648.88 is: 717,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,883.04 : 1,356,860.40 = 478,648.88 : x
  2. Step 2: Convert to fraction form
    904,883.04/1,356,860.40 = 478,648.88/x
  3. Step 3: Cross multiply
    904,883.04x = 1,356,860.40 × 478,648.88
  4. Step 4: Simplify right side
    904,883.04x = 649,459,710,776.35
  5. Step 5: Solve for x
    x = 649,459,710,776.35/904,883.04
  6. Step 6: Final answer
    x = 717,727.80

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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.