Home / 730,220.16-1,007,631.36-407,923.32

Finding the Fourth Proportional to 730,220.16, 1,007,631.36 and 407,923.32

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Solution

The fourth proportional to 730,220.16, 1,007,631.36 and 407,923.32 is: 562,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,220.16 : 1,007,631.36 = 407,923.32 : x
  2. Step 2: Convert to fraction form
    730,220.16/1,007,631.36 = 407,923.32/x
  3. Step 3: Cross multiply
    730,220.16x = 1,007,631.36 × 407,923.32
  4. Step 4: Simplify right side
    730,220.16x = 411,036,329,707.32
  5. Step 5: Solve for x
    x = 411,036,329,707.32/730,220.16
  6. Step 6: Final answer
    x = 562,893.70

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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.