Home / 692,835.12-955,582.92-478,334.16

Finding the Fourth Proportional to 692,835.12, 955,582.92 and 478,334.16

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Solution

The fourth proportional to 692,835.12, 955,582.92 and 478,334.16 is: 659,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,835.12 : 955,582.92 = 478,334.16 : x
  2. Step 2: Convert to fraction form
    692,835.12/955,582.92 = 478,334.16/x
  3. Step 3: Cross multiply
    692,835.12x = 955,582.92 × 478,334.16
  4. Step 4: Simplify right side
    692,835.12x = 457,087,953,348.55
  5. Step 5: Solve for x
    x = 457,087,953,348.55/692,835.12
  6. Step 6: Final answer
    x = 659,735.54

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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.