Home / 738,194.50-1,018,416.81-466,160.86

Finding the Fourth Proportional to 738,194.50, 1,018,416.81 and 466,160.86

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Solution

The fourth proportional to 738,194.50, 1,018,416.81 and 466,160.86 is: 643,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,194.50 : 1,018,416.81 = 466,160.86 : x
  2. Step 2: Convert to fraction form
    738,194.50/1,018,416.81 = 466,160.86/x
  3. Step 3: Cross multiply
    738,194.50x = 1,018,416.81 × 466,160.86
  4. Step 4: Simplify right side
    738,194.50x = 474,746,055,988.06
  5. Step 5: Solve for x
    x = 474,746,055,988.06/738,194.50
  6. Step 6: Final answer
    x = 643,117.84

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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.