Home / 858,495.30-1,184,777.28-476,528.46

Finding the Fourth Proportional to 858,495.30, 1,184,777.28 and 476,528.46

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Solution

The fourth proportional to 858,495.30, 1,184,777.28 and 476,528.46 is: 657,639.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,495.30 : 1,184,777.28 = 476,528.46 : x
  2. Step 2: Convert to fraction form
    858,495.30/1,184,777.28 = 476,528.46/x
  3. Step 3: Cross multiply
    858,495.30x = 1,184,777.28 × 476,528.46
  4. Step 4: Simplify right side
    858,495.30x = 564,580,092,681.39
  5. Step 5: Solve for x
    x = 564,580,092,681.39/858,495.30
  6. Step 6: Final answer
    x = 657,639.12

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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.