Home / 989,784.30-1,365,918.21-537,075.30

Finding the Fourth Proportional to 989,784.30, 1,365,918.21 and 537,075.30

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Solution

The fourth proportional to 989,784.30, 1,365,918.21 and 537,075.30 is: 741,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,784.30 : 1,365,918.21 = 537,075.30 : x
  2. Step 2: Convert to fraction form
    989,784.30/1,365,918.21 = 537,075.30/x
  3. Step 3: Cross multiply
    989,784.30x = 1,365,918.21 × 537,075.30
  4. Step 4: Simplify right side
    989,784.30x = 733,600,932,411.21
  5. Step 5: Solve for x
    x = 733,600,932,411.21/989,784.30
  6. Step 6: Final answer
    x = 741,172.53

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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.