Home / 947,902.02-1,307,923.80-539,994.96

Finding the Fourth Proportional to 947,902.02, 1,307,923.80 and 539,994.96

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Solution

The fourth proportional to 947,902.02, 1,307,923.80 and 539,994.96 is: 745,089.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,902.02 : 1,307,923.80 = 539,994.96 : x
  2. Step 2: Convert to fraction form
    947,902.02/1,307,923.80 = 539,994.96/x
  3. Step 3: Cross multiply
    947,902.02x = 1,307,923.80 × 539,994.96
  4. Step 4: Simplify right side
    947,902.02x = 706,272,260,064.05
  5. Step 5: Solve for x
    x = 706,272,260,064.05/947,902.02
  6. Step 6: Final answer
    x = 745,089.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.