Home / 516,688.02-713,026.26-290,333.52

Finding the Fourth Proportional to 516,688.02, 713,026.26 and 290,333.52

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Solution

The fourth proportional to 516,688.02, 713,026.26 and 290,333.52 is: 400,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,688.02 : 713,026.26 = 290,333.52 : x
  2. Step 2: Convert to fraction form
    516,688.02/713,026.26 = 290,333.52/x
  3. Step 3: Cross multiply
    516,688.02x = 713,026.26 × 290,333.52
  4. Step 4: Simplify right side
    516,688.02x = 207,015,423,918.24
  5. Step 5: Solve for x
    x = 207,015,423,918.24/516,688.02
  6. Step 6: Final answer
    x = 400,658.46

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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.