Home / 885,435.40-1,221,895.23-503,462.18

Finding the Fourth Proportional to 885,435.40, 1,221,895.23 and 503,462.18

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Solution

The fourth proportional to 885,435.40, 1,221,895.23 and 503,462.18 is: 694,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,435.40 : 1,221,895.23 = 503,462.18 : x
  2. Step 2: Convert to fraction form
    885,435.40/1,221,895.23 = 503,462.18/x
  3. Step 3: Cross multiply
    885,435.40x = 1,221,895.23 × 503,462.18
  4. Step 4: Simplify right side
    885,435.40x = 615,178,037,394.16
  5. Step 5: Solve for x
    x = 615,178,037,394.16/885,435.40
  6. Step 6: Final answer
    x = 694,774.61

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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.