Home / 858,512.57-1,184,507.28-536,549.72

Finding the Fourth Proportional to 858,512.57, 1,184,507.28 and 536,549.72

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Solution

The fourth proportional to 858,512.57, 1,184,507.28 and 536,549.72 is: 740,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,512.57 : 1,184,507.28 = 536,549.72 : x
  2. Step 2: Convert to fraction form
    858,512.57/1,184,507.28 = 536,549.72/x
  3. Step 3: Cross multiply
    858,512.57x = 1,184,507.28 × 536,549.72
  4. Step 4: Simplify right side
    858,512.57x = 635,547,043,499.43
  5. Step 5: Solve for x
    x = 635,547,043,499.43/858,512.57
  6. Step 6: Final answer
    x = 740,288.58

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1.5x scale

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.