Home / 805,502.92-1,111,570.50-442,926.40

Finding the Fourth Proportional to 805,502.92, 1,111,570.50 and 442,926.40

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Solution

The fourth proportional to 805,502.92, 1,111,570.50 and 442,926.40 is: 611,225.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,502.92 : 1,111,570.50 = 442,926.40 : x
  2. Step 2: Convert to fraction form
    805,502.92/1,111,570.50 = 442,926.40/x
  3. Step 3: Cross multiply
    805,502.92x = 1,111,570.50 × 442,926.40
  4. Step 4: Simplify right side
    805,502.92x = 492,343,919,911.20
  5. Step 5: Solve for x
    x = 492,343,919,911.20/805,502.92
  6. Step 6: Final answer
    x = 611,225.49

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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.