Home / 913,224.06-1,369,614.63-380,454.45

Finding the Fourth Proportional to 913,224.06, 1,369,614.63 and 380,454.45

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Solution

The fourth proportional to 913,224.06, 1,369,614.63 and 380,454.45 is: 570,589.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,224.06 : 1,369,614.63 = 380,454.45 : x
  2. Step 2: Convert to fraction form
    913,224.06/1,369,614.63 = 380,454.45/x
  3. Step 3: Cross multiply
    913,224.06x = 1,369,614.63 × 380,454.45
  4. Step 4: Simplify right side
    913,224.06x = 521,075,980,768.60
  5. Step 5: Solve for x
    x = 521,075,980,768.60/913,224.06
  6. Step 6: Final answer
    x = 570,589.41

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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.