Home / 750,490.01-1,035,657.02-419,348.60

Finding the Fourth Proportional to 750,490.01, 1,035,657.02 and 419,348.60

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Solution

The fourth proportional to 750,490.01, 1,035,657.02 and 419,348.60 is: 578,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,490.01 : 1,035,657.02 = 419,348.60 : x
  2. Step 2: Convert to fraction form
    750,490.01/1,035,657.02 = 419,348.60/x
  3. Step 3: Cross multiply
    750,490.01x = 1,035,657.02 × 419,348.60
  4. Step 4: Simplify right side
    750,490.01x = 434,301,321,170.97
  5. Step 5: Solve for x
    x = 434,301,321,170.97/750,490.01
  6. Step 6: Final answer
    x = 578,690.34

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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.