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Finding the Fourth Proportional to 575,501.72, 863,501.31 and 308,950.97

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Solution

The fourth proportional to 575,501.72, 863,501.31 and 308,950.97 is: 463,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,501.72 : 863,501.31 = 308,950.97 : x
  2. Step 2: Convert to fraction form
    575,501.72/863,501.31 = 308,950.97/x
  3. Step 3: Cross multiply
    575,501.72x = 863,501.31 × 308,950.97
  4. Step 4: Simplify right side
    575,501.72x = 266,779,563,003.26
  5. Step 5: Solve for x
    x = 266,779,563,003.26/575,501.72
  6. Step 6: Final answer
    x = 463,559.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.