Home / 820,459.04-1,132,347.60-457,906.26

Finding the Fourth Proportional to 820,459.04, 1,132,347.60 and 457,906.26

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Solution

The fourth proportional to 820,459.04, 1,132,347.60 and 457,906.26 is: 631,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,459.04 : 1,132,347.60 = 457,906.26 : x
  2. Step 2: Convert to fraction form
    820,459.04/1,132,347.60 = 457,906.26/x
  3. Step 3: Cross multiply
    820,459.04x = 1,132,347.60 × 457,906.26
  4. Step 4: Simplify right side
    820,459.04x = 518,509,054,535.98
  5. Step 5: Solve for x
    x = 518,509,054,535.98/820,459.04
  6. Step 6: Final answer
    x = 631,974.34

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Double scale
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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.