Home / 947,804.04-1,308,004.74-518,113.32

Finding the Fourth Proportional to 947,804.04, 1,308,004.74 and 518,113.32

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Solution

The fourth proportional to 947,804.04, 1,308,004.74 and 518,113.32 is: 715,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,804.04 : 1,308,004.74 = 518,113.32 : x
  2. Step 2: Convert to fraction form
    947,804.04/1,308,004.74 = 518,113.32/x
  3. Step 3: Cross multiply
    947,804.04x = 1,308,004.74 × 518,113.32
  4. Step 4: Simplify right side
    947,804.04x = 677,694,678,417.14
  5. Step 5: Solve for x
    x = 677,694,678,417.14/947,804.04
  6. Step 6: Final answer
    x = 715,015.60

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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.