Home / 788,117.38-1,087,603.19-448,585.63

Finding the Fourth Proportional to 788,117.38, 1,087,603.19 and 448,585.63

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Solution

The fourth proportional to 788,117.38, 1,087,603.19 and 448,585.63 is: 619,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,117.38 : 1,087,603.19 = 448,585.63 : x
  2. Step 2: Convert to fraction form
    788,117.38/1,087,603.19 = 448,585.63/x
  3. Step 3: Cross multiply
    788,117.38x = 1,087,603.19 × 448,585.63
  4. Step 4: Simplify right side
    788,117.38x = 487,883,162,176.16
  5. Step 5: Solve for x
    x = 487,883,162,176.16/788,117.38
  6. Step 6: Final answer
    x = 619,048.86

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Double scale
Find fourth proportional to 788,118.38, 1,087,604.57 and 448,586.63
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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.