Home / 734,881.70-1,102,322.55-314,200.10

Finding the Fourth Proportional to 734,881.70, 1,102,322.55 and 314,200.10

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Solution

The fourth proportional to 734,881.70, 1,102,322.55 and 314,200.10 is: 471,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,881.70 : 1,102,322.55 = 314,200.10 : x
  2. Step 2: Convert to fraction form
    734,881.70/1,102,322.55 = 314,200.10/x
  3. Step 3: Cross multiply
    734,881.70x = 1,102,322.55 × 314,200.10
  4. Step 4: Simplify right side
    734,881.70x = 346,349,855,442.26
  5. Step 5: Solve for x
    x = 346,349,855,442.26/734,881.70
  6. Step 6: Final answer
    x = 471,300.15

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Double scale
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Similar ratio
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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.