Home / 830,907.55-1,147,598.25-558,502.51

Finding the Fourth Proportional to 830,907.55, 1,147,598.25 and 558,502.51

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Solution

The fourth proportional to 830,907.55, 1,147,598.25 and 558,502.51 is: 771,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,907.55 : 1,147,598.25 = 558,502.51 : x
  2. Step 2: Convert to fraction form
    830,907.55/1,147,598.25 = 558,502.51/x
  3. Step 3: Cross multiply
    830,907.55x = 1,147,598.25 × 558,502.51
  4. Step 4: Simplify right side
    830,907.55x = 640,936,503,096.61
  5. Step 5: Solve for x
    x = 640,936,503,096.61/830,907.55
  6. Step 6: Final answer
    x = 771,369.21

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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.