Home / 648,024.20-973,073.10-490,430.60

Finding the Fourth Proportional to 648,024.20, 973,073.10 and 490,430.60

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Solution

The fourth proportional to 648,024.20, 973,073.10 and 490,430.60 is: 736,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,024.20 : 973,073.10 = 490,430.60 : x
  2. Step 2: Convert to fraction form
    648,024.20/973,073.10 = 490,430.60/x
  3. Step 3: Cross multiply
    648,024.20x = 973,073.10 × 490,430.60
  4. Step 4: Simplify right side
    648,024.20x = 477,224,824,276.86
  5. Step 5: Solve for x
    x = 477,224,824,276.86/648,024.20
  6. Step 6: Final answer
    x = 736,430.56

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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.