Home / 702,012.40-1,053,018.60-347,718.40

Finding the Fourth Proportional to 702,012.40, 1,053,018.60 and 347,718.40

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Solution

The fourth proportional to 702,012.40, 1,053,018.60 and 347,718.40 is: 521,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,012.40 : 1,053,018.60 = 347,718.40 : x
  2. Step 2: Convert to fraction form
    702,012.40/1,053,018.60 = 347,718.40/x
  3. Step 3: Cross multiply
    702,012.40x = 1,053,018.60 × 347,718.40
  4. Step 4: Simplify right side
    702,012.40x = 366,153,942,762.24
  5. Step 5: Solve for x
    x = 366,153,942,762.24/702,012.40
  6. Step 6: Final answer
    x = 521,577.60

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Similar ratio
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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.