Home / 713,281.28-1,069,666.86-334,137.20

Finding the Fourth Proportional to 713,281.28, 1,069,666.86 and 334,137.20

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Solution

The fourth proportional to 713,281.28, 1,069,666.86 and 334,137.20 is: 501,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,281.28 : 1,069,666.86 = 334,137.20 : x
  2. Step 2: Convert to fraction form
    713,281.28/1,069,666.86 = 334,137.20/x
  3. Step 3: Cross multiply
    713,281.28x = 1,069,666.86 × 334,137.20
  4. Step 4: Simplify right side
    713,281.28x = 357,415,489,533.19
  5. Step 5: Solve for x
    x = 357,415,489,533.19/713,281.28
  6. Step 6: Final answer
    x = 501,086.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.