Home / 558,360.48-770,674.32-316,784.46

Finding the Fourth Proportional to 558,360.48, 770,674.32 and 316,784.46

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Solution

The fourth proportional to 558,360.48, 770,674.32 and 316,784.46 is: 437,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,360.48 : 770,674.32 = 316,784.46 : x
  2. Step 2: Convert to fraction form
    558,360.48/770,674.32 = 316,784.46/x
  3. Step 3: Cross multiply
    558,360.48x = 770,674.32 × 316,784.46
  4. Step 4: Simplify right side
    558,360.48x = 244,137,648,297.07
  5. Step 5: Solve for x
    x = 244,137,648,297.07/558,360.48
  6. Step 6: Final answer
    x = 437,240.20

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1.5x scale

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.