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Finding the Fourth Proportional to 973,809.60, 1,460,023.20 and 374,539.20

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Solution

The fourth proportional to 973,809.60, 1,460,023.20 and 374,539.20 is: 561,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,809.60 : 1,460,023.20 = 374,539.20 : x
  2. Step 2: Convert to fraction form
    973,809.60/1,460,023.20 = 374,539.20/x
  3. Step 3: Cross multiply
    973,809.60x = 1,460,023.20 × 374,539.20
  4. Step 4: Simplify right side
    973,809.60x = 546,835,921,309.44
  5. Step 5: Solve for x
    x = 546,835,921,309.44/973,809.60
  6. Step 6: Final answer
    x = 561,542.96

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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.