Home / 889,702.51-1,334,590.67-258,616.32

Finding the Fourth Proportional to 889,702.51, 1,334,590.67 and 258,616.32

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Solution

The fourth proportional to 889,702.51, 1,334,590.67 and 258,616.32 is: 387,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,702.51 : 1,334,590.67 = 258,616.32 : x
  2. Step 2: Convert to fraction form
    889,702.51/1,334,590.67 = 258,616.32/x
  3. Step 3: Cross multiply
    889,702.51x = 1,334,590.67 × 258,616.32
  4. Step 4: Simplify right side
    889,702.51x = 345,146,926,488.65
  5. Step 5: Solve for x
    x = 345,146,926,488.65/889,702.51
  6. Step 6: Final answer
    x = 387,935.21

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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.