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Finding the Fourth Proportional to 659,988.27, 910,783.58 and 358,182.27

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Solution

The fourth proportional to 659,988.27, 910,783.58 and 358,182.27 is: 494,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,988.27 : 910,783.58 = 358,182.27 : x
  2. Step 2: Convert to fraction form
    659,988.27/910,783.58 = 358,182.27/x
  3. Step 3: Cross multiply
    659,988.27x = 910,783.58 × 358,182.27
  4. Step 4: Simplify right side
    659,988.27x = 326,226,528,372.22
  5. Step 5: Solve for x
    x = 326,226,528,372.22/659,988.27
  6. Step 6: Final answer
    x = 494,291.40

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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.