Home / 730,328.40-1,095,905.16-393,361.92

Finding the Fourth Proportional to 730,328.40, 1,095,905.16 and 393,361.92

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Solution

The fourth proportional to 730,328.40, 1,095,905.16 and 393,361.92 is: 590,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,328.40 : 1,095,905.16 = 393,361.92 : x
  2. Step 2: Convert to fraction form
    730,328.40/1,095,905.16 = 393,361.92/x
  3. Step 3: Cross multiply
    730,328.40x = 1,095,905.16 × 393,361.92
  4. Step 4: Simplify right side
    730,328.40x = 431,087,357,875.51
  5. Step 5: Solve for x
    x = 431,087,357,875.51/730,328.40
  6. Step 6: Final answer
    x = 590,265.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.