Home / 808,420.40-1,212,533.40-335,056.40

Finding the Fourth Proportional to 808,420.40, 1,212,533.40 and 335,056.40

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Solution

The fourth proportional to 808,420.40, 1,212,533.40 and 335,056.40 is: 502,544.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,420.40 : 1,212,533.40 = 335,056.40 : x
  2. Step 2: Convert to fraction form
    808,420.40/1,212,533.40 = 335,056.40/x
  3. Step 3: Cross multiply
    808,420.40x = 1,212,533.40 × 335,056.40
  4. Step 4: Simplify right side
    808,420.40x = 406,267,075,883.76
  5. Step 5: Solve for x
    x = 406,267,075,883.76/808,420.40
  6. Step 6: Final answer
    x = 502,544.31

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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.