Home / 707,531.30-1,061,039.98-308,075.76

Finding the Fourth Proportional to 707,531.30, 1,061,039.98 and 308,075.76

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Solution

The fourth proportional to 707,531.30, 1,061,039.98 and 308,075.76 is: 462,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,531.30 : 1,061,039.98 = 308,075.76 : x
  2. Step 2: Convert to fraction form
    707,531.30/1,061,039.98 = 308,075.76/x
  3. Step 3: Cross multiply
    707,531.30x = 1,061,039.98 × 308,075.76
  4. Step 4: Simplify right side
    707,531.30x = 326,880,698,228.89
  5. Step 5: Solve for x
    x = 326,880,698,228.89/707,531.30
  6. Step 6: Final answer
    x = 462,001.75

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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.