Home / 706,890.16-975,500.48-420,415.04

Finding the Fourth Proportional to 706,890.16, 975,500.48 and 420,415.04

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Solution

The fourth proportional to 706,890.16, 975,500.48 and 420,415.04 is: 580,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,890.16 : 975,500.48 = 420,415.04 : x
  2. Step 2: Convert to fraction form
    706,890.16/975,500.48 = 420,415.04/x
  3. Step 3: Cross multiply
    706,890.16x = 975,500.48 × 420,415.04
  4. Step 4: Simplify right side
    706,890.16x = 410,115,073,319.22
  5. Step 5: Solve for x
    x = 410,115,073,319.22/706,890.16
  6. Step 6: Final answer
    x = 580,168.03

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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.