Home / 730,101.90-1,007,529.93-407,816.40

Finding the Fourth Proportional to 730,101.90, 1,007,529.93 and 407,816.40

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Solution

The fourth proportional to 730,101.90, 1,007,529.93 and 407,816.40 is: 562,780.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,101.90 : 1,007,529.93 = 407,816.40 : x
  2. Step 2: Convert to fraction form
    730,101.90/1,007,529.93 = 407,816.40/x
  3. Step 3: Cross multiply
    730,101.90x = 1,007,529.93 × 407,816.40
  4. Step 4: Simplify right side
    730,101.90x = 410,887,228,944.85
  5. Step 5: Solve for x
    x = 410,887,228,944.85/730,101.90
  6. Step 6: Final answer
    x = 562,780.66

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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.