Home / 744,420.60-1,026,970.94-457,771.32

Finding the Fourth Proportional to 744,420.60, 1,026,970.94 and 457,771.32

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Solution

The fourth proportional to 744,420.60, 1,026,970.94 and 457,771.32 is: 631,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,420.60 : 1,026,970.94 = 457,771.32 : x
  2. Step 2: Convert to fraction form
    744,420.60/1,026,970.94 = 457,771.32/x
  3. Step 3: Cross multiply
    744,420.60x = 1,026,970.94 × 457,771.32
  4. Step 4: Simplify right side
    744,420.60x = 470,117,843,949.87
  5. Step 5: Solve for x
    x = 470,117,843,949.87/744,420.60
  6. Step 6: Final answer
    x = 631,521.81

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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.