Home / 730,389.04-1,007,918.06-408,101.80

Finding the Fourth Proportional to 730,389.04, 1,007,918.06 and 408,101.80

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Solution

The fourth proportional to 730,389.04, 1,007,918.06 and 408,101.80 is: 563,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,389.04 : 1,007,918.06 = 408,101.80 : x
  2. Step 2: Convert to fraction form
    730,389.04/1,007,918.06 = 408,101.80/x
  3. Step 3: Cross multiply
    730,389.04x = 1,007,918.06 × 408,101.80
  4. Step 4: Simplify right side
    730,389.04x = 411,333,174,538.51
  5. Step 5: Solve for x
    x = 411,333,174,538.51/730,389.04
  6. Step 6: Final answer
    x = 563,169.97

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Double scale
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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.