Home / 858,774.96-1,185,112.08-476,802.72

Finding the Fourth Proportional to 858,774.96, 1,185,112.08 and 476,802.72

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Solution

The fourth proportional to 858,774.96, 1,185,112.08 and 476,802.72 is: 657,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,774.96 : 1,185,112.08 = 476,802.72 : x
  2. Step 2: Convert to fraction form
    858,774.96/1,185,112.08 = 476,802.72/x
  3. Step 3: Cross multiply
    858,774.96x = 1,185,112.08 × 476,802.72
  4. Step 4: Simplify right side
    858,774.96x = 565,064,663,248.86
  5. Step 5: Solve for x
    x = 565,064,663,248.86/858,774.96
  6. Step 6: Final answer
    x = 657,989.22

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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.