Home / 750,844.08-1,035,911.16-428,327.28

Finding the Fourth Proportional to 750,844.08, 1,035,911.16 and 428,327.28

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Solution

The fourth proportional to 750,844.08, 1,035,911.16 and 428,327.28 is: 590,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,844.08 : 1,035,911.16 = 428,327.28 : x
  2. Step 2: Convert to fraction form
    750,844.08/1,035,911.16 = 428,327.28/x
  3. Step 3: Cross multiply
    750,844.08x = 1,035,911.16 × 428,327.28
  4. Step 4: Simplify right side
    750,844.08x = 443,709,009,484.45
  5. Step 5: Solve for x
    x = 443,709,009,484.45/750,844.08
  6. Step 6: Final answer
    x = 590,946.94

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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.