Home / 947,893.95-1,308,094.02-518,174.01

Finding the Fourth Proportional to 947,893.95, 1,308,094.02 and 518,174.01

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Solution

The fourth proportional to 947,893.95, 1,308,094.02 and 518,174.01 is: 715,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,893.95 : 1,308,094.02 = 518,174.01 : x
  2. Step 2: Convert to fraction form
    947,893.95/1,308,094.02 = 518,174.01/x
  3. Step 3: Cross multiply
    947,893.95x = 1,308,094.02 × 518,174.01
  4. Step 4: Simplify right side
    947,893.95x = 677,820,323,800.42
  5. Step 5: Solve for x
    x = 677,820,323,800.42/947,893.95
  6. Step 6: Final answer
    x = 715,080.34

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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.