Home / 750,685.91-1,036,021.02-428,444.81

Finding the Fourth Proportional to 750,685.91, 1,036,021.02 and 428,444.81

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Solution

The fourth proportional to 750,685.91, 1,036,021.02 and 428,444.81 is: 591,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,685.91 : 1,036,021.02 = 428,444.81 : x
  2. Step 2: Convert to fraction form
    750,685.91/1,036,021.02 = 428,444.81/x
  3. Step 3: Cross multiply
    750,685.91x = 1,036,021.02 × 428,444.81
  4. Step 4: Simplify right side
    750,685.91x = 443,877,829,069.91
  5. Step 5: Solve for x
    x = 443,877,829,069.91/750,685.91
  6. Step 6: Final answer
    x = 591,296.34

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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.