Home / 748,666.74-1,033,160.52-409,134.98

Finding the Fourth Proportional to 748,666.74, 1,033,160.52 and 409,134.98

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Solution

The fourth proportional to 748,666.74, 1,033,160.52 and 409,134.98 is: 564,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,666.74 : 1,033,160.52 = 409,134.98 : x
  2. Step 2: Convert to fraction form
    748,666.74/1,033,160.52 = 409,134.98/x
  3. Step 3: Cross multiply
    748,666.74x = 1,033,160.52 × 409,134.98
  4. Step 4: Simplify right side
    748,666.74x = 422,702,108,686.99
  5. Step 5: Solve for x
    x = 422,702,108,686.99/748,666.74
  6. Step 6: Final answer
    x = 564,606.50

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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.