Home / 759,498.56-1,138,577.36-286,516.08

Finding the Fourth Proportional to 759,498.56, 1,138,577.36 and 286,516.08

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Solution

The fourth proportional to 759,498.56, 1,138,577.36 and 286,516.08 is: 429,521.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,498.56 : 1,138,577.36 = 286,516.08 : x
  2. Step 2: Convert to fraction form
    759,498.56/1,138,577.36 = 286,516.08/x
  3. Step 3: Cross multiply
    759,498.56x = 1,138,577.36 × 286,516.08
  4. Step 4: Simplify right side
    759,498.56x = 326,220,721,963.95
  5. Step 5: Solve for x
    x = 326,220,721,963.95/759,498.56
  6. Step 6: Final answer
    x = 429,521.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.