Home / 947,416.48-1,307,415.44-517,698.72

Finding the Fourth Proportional to 947,416.48, 1,307,415.44 and 517,698.72

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Solution

The fourth proportional to 947,416.48, 1,307,415.44 and 517,698.72 is: 714,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,416.48 : 1,307,415.44 = 517,698.72 : x
  2. Step 2: Convert to fraction form
    947,416.48/1,307,415.44 = 517,698.72/x
  3. Step 3: Cross multiply
    947,416.48x = 1,307,415.44 × 517,698.72
  4. Step 4: Simplify right side
    947,416.48x = 676,847,299,796.24
  5. Step 5: Solve for x
    x = 676,847,299,796.24/947,416.48
  6. Step 6: Final answer
    x = 714,413.69

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Double scale
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1.5x scale

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.