Home / 849,389.48-1,273,017.36-508,084.64

Finding the Fourth Proportional to 849,389.48, 1,273,017.36 and 508,084.64

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Solution

The fourth proportional to 849,389.48, 1,273,017.36 and 508,084.64 is: 761,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,389.48 : 1,273,017.36 = 508,084.64 : x
  2. Step 2: Convert to fraction form
    849,389.48/1,273,017.36 = 508,084.64/x
  3. Step 3: Cross multiply
    849,389.48x = 1,273,017.36 × 508,084.64
  4. Step 4: Simplify right side
    849,389.48x = 646,800,567,069.35
  5. Step 5: Solve for x
    x = 646,800,567,069.35/849,389.48
  6. Step 6: Final answer
    x = 761,488.79

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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.