Home / 939,844.42-1,407,870.52-433,702.25

Finding the Fourth Proportional to 939,844.42, 1,407,870.52 and 433,702.25

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Solution

The fourth proportional to 939,844.42, 1,407,870.52 and 433,702.25 is: 649,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,844.42 : 1,407,870.52 = 433,702.25 : x
  2. Step 2: Convert to fraction form
    939,844.42/1,407,870.52 = 433,702.25/x
  3. Step 3: Cross multiply
    939,844.42x = 1,407,870.52 × 433,702.25
  4. Step 4: Simplify right side
    939,844.42x = 610,596,609,388.58
  5. Step 5: Solve for x
    x = 610,596,609,388.58/939,844.42
  6. Step 6: Final answer
    x = 649,678.39

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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.