Home / 728,050.20-1,092,075.30-462,985.80

Finding the Fourth Proportional to 728,050.20, 1,092,075.30 and 462,985.80

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Solution

The fourth proportional to 728,050.20, 1,092,075.30 and 462,985.80 is: 694,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,050.20 : 1,092,075.30 = 462,985.80 : x
  2. Step 2: Convert to fraction form
    728,050.20/1,092,075.30 = 462,985.80/x
  3. Step 3: Cross multiply
    728,050.20x = 1,092,075.30 × 462,985.80
  4. Step 4: Simplify right side
    728,050.20x = 505,615,356,430.74
  5. Step 5: Solve for x
    x = 505,615,356,430.74/728,050.20
  6. Step 6: Final answer
    x = 694,478.70

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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.