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Finding the Fourth Proportional to 585,936, 808,494.48 and 368,110.80

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Solution

The fourth proportional to 585,936, 808,494.48 and 368,110.80 is: 507,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,936 : 808,494.48 = 368,110.80 : x
  2. Step 2: Convert to fraction form
    585,936/808,494.48 = 368,110.80/x
  3. Step 3: Cross multiply
    585,936x = 808,494.48 × 368,110.80
  4. Step 4: Simplify right side
    585,936x = 297,615,549,828.38
  5. Step 5: Solve for x
    x = 297,615,549,828.38/585,936
  6. Step 6: Final answer
    x = 507,931.84

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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.