Home / 910,964.40-1,257,117.75-503,083.50

Finding the Fourth Proportional to 910,964.40, 1,257,117.75 and 503,083.50

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Solution

The fourth proportional to 910,964.40, 1,257,117.75 and 503,083.50 is: 694,247.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,964.40 : 1,257,117.75 = 503,083.50 : x
  2. Step 2: Convert to fraction form
    910,964.40/1,257,117.75 = 503,083.50/x
  3. Step 3: Cross multiply
    910,964.40x = 1,257,117.75 × 503,083.50
  4. Step 4: Simplify right side
    910,964.40x = 632,435,197,582.13
  5. Step 5: Solve for x
    x = 632,435,197,582.13/910,964.40
  6. Step 6: Final answer
    x = 694,247.98

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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.