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Finding the Fourth Proportional to 613,075.08, 919,534.86 and 455,533.32

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Solution

The fourth proportional to 613,075.08, 919,534.86 and 455,533.32 is: 683,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,075.08 : 919,534.86 = 455,533.32 : x
  2. Step 2: Convert to fraction form
    613,075.08/919,534.86 = 455,533.32/x
  3. Step 3: Cross multiply
    613,075.08x = 919,534.86 × 455,533.32
  4. Step 4: Simplify right side
    613,075.08x = 418,878,767,631.54
  5. Step 5: Solve for x
    x = 418,878,767,631.54/613,075.08
  6. Step 6: Final answer
    x = 683,242.20

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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.