Home / 702,915.80-1,054,386.63-253,670.36

Finding the Fourth Proportional to 702,915.80, 1,054,386.63 and 253,670.36

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Solution

The fourth proportional to 702,915.80, 1,054,386.63 and 253,670.36 is: 380,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,915.80 : 1,054,386.63 = 253,670.36 : x
  2. Step 2: Convert to fraction form
    702,915.80/1,054,386.63 = 253,670.36/x
  3. Step 3: Cross multiply
    702,915.80x = 1,054,386.63 × 253,670.36
  4. Step 4: Simplify right side
    702,915.80x = 267,466,636,011.29
  5. Step 5: Solve for x
    x = 267,466,636,011.29/702,915.80
  6. Step 6: Final answer
    x = 380,510.21

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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.