Home / 731,457.60-1,009,363.77-409,111.80

Finding the Fourth Proportional to 731,457.60, 1,009,363.77 and 409,111.80

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Solution

The fourth proportional to 731,457.60, 1,009,363.77 and 409,111.80 is: 564,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,457.60 : 1,009,363.77 = 409,111.80 : x
  2. Step 2: Convert to fraction form
    731,457.60/1,009,363.77 = 409,111.80/x
  3. Step 3: Cross multiply
    731,457.60x = 1,009,363.77 × 409,111.80
  4. Step 4: Simplify right side
    731,457.60x = 412,942,628,799.49
  5. Step 5: Solve for x
    x = 412,942,628,799.49/731,457.60
  6. Step 6: Final answer
    x = 564,547.59

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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.