Home / 947,803.04-1,308,003.36-518,112.32

Finding the Fourth Proportional to 947,803.04, 1,308,003.36 and 518,112.32

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Solution

The fourth proportional to 947,803.04, 1,308,003.36 and 518,112.32 is: 715,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,803.04 : 1,308,003.36 = 518,112.32 : x
  2. Step 2: Convert to fraction form
    947,803.04/1,308,003.36 = 518,112.32/x
  3. Step 3: Cross multiply
    947,803.04x = 1,308,003.36 × 518,112.32
  4. Step 4: Simplify right side
    947,803.04x = 677,692,655,417.40
  5. Step 5: Solve for x
    x = 677,692,655,417.40/947,803.04
  6. Step 6: Final answer
    x = 715,014.22

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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.