Home / 740,674.34-1,111,415.98-314,143.82

Finding the Fourth Proportional to 740,674.34, 1,111,415.98 and 314,143.82

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Solution

The fourth proportional to 740,674.34, 1,111,415.98 and 314,143.82 is: 471,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,674.34 : 1,111,415.98 = 314,143.82 : x
  2. Step 2: Convert to fraction form
    740,674.34/1,111,415.98 = 314,143.82/x
  3. Step 3: Cross multiply
    740,674.34x = 1,111,415.98 × 314,143.82
  4. Step 4: Simplify right side
    740,674.34x = 349,144,461,566.24
  5. Step 5: Solve for x
    x = 349,144,461,566.24/740,674.34
  6. Step 6: Final answer
    x = 471,387.28

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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.