Home / 947,054.76-1,420,655.04-315,967.56

Finding the Fourth Proportional to 947,054.76, 1,420,655.04 and 315,967.56

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Solution

The fourth proportional to 947,054.76, 1,420,655.04 and 315,967.56 is: 473,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,054.76 : 1,420,655.04 = 315,967.56 : x
  2. Step 2: Convert to fraction form
    947,054.76/1,420,655.04 = 315,967.56/x
  3. Step 3: Cross multiply
    947,054.76x = 1,420,655.04 × 315,967.56
  4. Step 4: Simplify right side
    947,054.76x = 448,880,906,590.50
  5. Step 5: Solve for x
    x = 448,880,906,590.50/947,054.76
  6. Step 6: Final answer
    x = 473,975.66

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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.