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Finding the Fourth Proportional to 750,300.28, 1,035,417.42 and 410,800.12

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Solution

The fourth proportional to 750,300.28, 1,035,417.42 and 410,800.12 is: 566,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,300.28 : 1,035,417.42 = 410,800.12 : x
  2. Step 2: Convert to fraction form
    750,300.28/1,035,417.42 = 410,800.12/x
  3. Step 3: Cross multiply
    750,300.28x = 1,035,417.42 × 410,800.12
  4. Step 4: Simplify right side
    750,300.28x = 425,349,600,386.09
  5. Step 5: Solve for x
    x = 425,349,600,386.09/750,300.28
  6. Step 6: Final answer
    x = 566,905.83

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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.