Home / 712,895.59-1,068,678.91-357,494.32

Finding the Fourth Proportional to 712,895.59, 1,068,678.91 and 357,494.32

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Solution

The fourth proportional to 712,895.59, 1,068,678.91 and 357,494.32 is: 535,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,895.59 : 1,068,678.91 = 357,494.32 : x
  2. Step 2: Convert to fraction form
    712,895.59/1,068,678.91 = 357,494.32/x
  3. Step 3: Cross multiply
    712,895.59x = 1,068,678.91 × 357,494.32
  4. Step 4: Simplify right side
    712,895.59x = 382,046,640,228.79
  5. Step 5: Solve for x
    x = 382,046,640,228.79/712,895.59
  6. Step 6: Final answer
    x = 535,908.27

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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.