Home / 711,965.80-1,068,341.82-291,536.20

Finding the Fourth Proportional to 711,965.80, 1,068,341.82 and 291,536.20

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Solution

The fourth proportional to 711,965.80, 1,068,341.82 and 291,536.20 is: 437,465.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,965.80 : 1,068,341.82 = 291,536.20 : x
  2. Step 2: Convert to fraction form
    711,965.80/1,068,341.82 = 291,536.20/x
  3. Step 3: Cross multiply
    711,965.80x = 1,068,341.82 × 291,536.20
  4. Step 4: Simplify right side
    711,965.80x = 311,460,314,503.88
  5. Step 5: Solve for x
    x = 311,460,314,503.88/711,965.80
  6. Step 6: Final answer
    x = 437,465.28

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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.