Home / 984,857.51-1,476,695.77-478,421.21

Finding the Fourth Proportional to 984,857.51, 1,476,695.77 and 478,421.21

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Solution

The fourth proportional to 984,857.51, 1,476,695.77 and 478,421.21 is: 717,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,857.51 : 1,476,695.77 = 478,421.21 : x
  2. Step 2: Convert to fraction form
    984,857.51/1,476,695.77 = 478,421.21/x
  3. Step 3: Cross multiply
    984,857.51x = 1,476,695.77 × 478,421.21
  4. Step 4: Simplify right side
    984,857.51x = 706,482,577,085.28
  5. Step 5: Solve for x
    x = 706,482,577,085.28/984,857.51
  6. Step 6: Final answer
    x = 717,344.97

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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.