Home / 709,605.20-1,064,710.20-372,904.40

Finding the Fourth Proportional to 709,605.20, 1,064,710.20 and 372,904.40

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Solution

The fourth proportional to 709,605.20, 1,064,710.20 and 372,904.40 is: 559,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,605.20 : 1,064,710.20 = 372,904.40 : x
  2. Step 2: Convert to fraction form
    709,605.20/1,064,710.20 = 372,904.40/x
  3. Step 3: Cross multiply
    709,605.20x = 1,064,710.20 × 372,904.40
  4. Step 4: Simplify right side
    709,605.20x = 397,035,118,304.88
  5. Step 5: Solve for x
    x = 397,035,118,304.88/709,605.20
  6. Step 6: Final answer
    x = 559,515.51

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1.5x scale

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.