Home / 990,047.10-1,366,266.52-537,339.18

Finding the Fourth Proportional to 990,047.10, 1,366,266.52 and 537,339.18

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Solution

The fourth proportional to 990,047.10, 1,366,266.52 and 537,339.18 is: 741,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,047.10 : 1,366,266.52 = 537,339.18 : x
  2. Step 2: Convert to fraction form
    990,047.10/1,366,266.52 = 537,339.18/x
  3. Step 3: Cross multiply
    990,047.10x = 1,366,266.52 × 537,339.18
  4. Step 4: Simplify right side
    990,047.10x = 734,148,531,518.25
  5. Step 5: Solve for x
    x = 734,148,531,518.25/990,047.10
  6. Step 6: Final answer
    x = 741,528.89

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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.