Home / 830,468.63-1,146,046.64-448,495.35

Finding the Fourth Proportional to 830,468.63, 1,146,046.64 and 448,495.35

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Solution

The fourth proportional to 830,468.63, 1,146,046.64 and 448,495.35 is: 618,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,468.63 : 1,146,046.64 = 448,495.35 : x
  2. Step 2: Convert to fraction form
    830,468.63/1,146,046.64 = 448,495.35/x
  3. Step 3: Cross multiply
    830,468.63x = 1,146,046.64 × 448,495.35
  4. Step 4: Simplify right side
    830,468.63x = 513,996,586,680.65
  5. Step 5: Solve for x
    x = 513,996,586,680.65/830,468.63
  6. Step 6: Final answer
    x = 618,923.55

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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.