Home / 748,935.51-1,033,530.87-409,403.76

Finding the Fourth Proportional to 748,935.51, 1,033,530.87 and 409,403.76

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Solution

The fourth proportional to 748,935.51, 1,033,530.87 and 409,403.76 is: 564,977.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,935.51 : 1,033,530.87 = 409,403.76 : x
  2. Step 2: Convert to fraction form
    748,935.51/1,033,530.87 = 409,403.76/x
  3. Step 3: Cross multiply
    748,935.51x = 1,033,530.87 × 409,403.76
  4. Step 4: Simplify right side
    748,935.51x = 423,131,424,254.07
  5. Step 5: Solve for x
    x = 423,131,424,254.07/748,935.51
  6. Step 6: Final answer
    x = 564,977.12

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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.