Home / 858,621.49-1,184,838.27-476,618.20

Finding the Fourth Proportional to 858,621.49, 1,184,838.27 and 476,618.20

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Solution

The fourth proportional to 858,621.49, 1,184,838.27 and 476,618.20 is: 657,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,621.49 : 1,184,838.27 = 476,618.20 : x
  2. Step 2: Convert to fraction form
    858,621.49/1,184,838.27 = 476,618.20/x
  3. Step 3: Cross multiply
    858,621.49x = 1,184,838.27 × 476,618.20
  4. Step 4: Simplify right side
    858,621.49x = 564,715,483,538.51
  5. Step 5: Solve for x
    x = 564,715,483,538.51/858,621.49
  6. Step 6: Final answer
    x = 657,700.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.