Home / 713,079.12-1,069,498.36-334,040.40

Finding the Fourth Proportional to 713,079.12, 1,069,498.36 and 334,040.40

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Solution

The fourth proportional to 713,079.12, 1,069,498.36 and 334,040.40 is: 501,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,079.12 : 1,069,498.36 = 334,040.40 : x
  2. Step 2: Convert to fraction form
    713,079.12/1,069,498.36 = 334,040.40/x
  3. Step 3: Cross multiply
    713,079.12x = 1,069,498.36 × 334,040.40
  4. Step 4: Simplify right side
    713,079.12x = 357,255,659,973.74
  5. Step 5: Solve for x
    x = 357,255,659,973.74/713,079.12
  6. Step 6: Final answer
    x = 501,004.24

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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.