Home / 775,773.95-1,070,546.37-470,031.35

Finding the Fourth Proportional to 775,773.95, 1,070,546.37 and 470,031.35

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Solution

The fourth proportional to 775,773.95, 1,070,546.37 and 470,031.35 is: 648,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,773.95 : 1,070,546.37 = 470,031.35 : x
  2. Step 2: Convert to fraction form
    775,773.95/1,070,546.37 = 470,031.35/x
  3. Step 3: Cross multiply
    775,773.95x = 1,070,546.37 × 470,031.35
  4. Step 4: Simplify right side
    775,773.95x = 503,190,355,528.70
  5. Step 5: Solve for x
    x = 503,190,355,528.70/775,773.95
  6. Step 6: Final answer
    x = 648,630.13

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Double scale
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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.