Home / 919,259.01-1,378,888.92-288,222.03

Finding the Fourth Proportional to 919,259.01, 1,378,888.92 and 288,222.03

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Solution

The fourth proportional to 919,259.01, 1,378,888.92 and 288,222.03 is: 432,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,259.01 : 1,378,888.92 = 288,222.03 : x
  2. Step 2: Convert to fraction form
    919,259.01/1,378,888.92 = 288,222.03/x
  3. Step 3: Cross multiply
    919,259.01x = 1,378,888.92 × 288,222.03
  4. Step 4: Simplify right side
    919,259.01x = 397,426,163,666.91
  5. Step 5: Solve for x
    x = 397,426,163,666.91/919,259.01
  6. Step 6: Final answer
    x = 432,333.17

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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.