Home / 990,263.36-1,366,562.08-537,554.40

Finding the Fourth Proportional to 990,263.36, 1,366,562.08 and 537,554.40

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Solution

The fourth proportional to 990,263.36, 1,366,562.08 and 537,554.40 is: 741,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,263.36 : 1,366,562.08 = 537,554.40 : x
  2. Step 2: Convert to fraction form
    990,263.36/1,366,562.08 = 537,554.40/x
  3. Step 3: Cross multiply
    990,263.36x = 1,366,562.08 × 537,554.40
  4. Step 4: Simplify right side
    990,263.36x = 734,601,458,977.15
  5. Step 5: Solve for x
    x = 734,601,458,977.15/990,263.36
  6. Step 6: Final answer
    x = 741,824.34

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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.