Home / 917,927.48-1,266,735.84-510,095.72

Finding the Fourth Proportional to 917,927.48, 1,266,735.84 and 510,095.72

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Solution

The fourth proportional to 917,927.48, 1,266,735.84 and 510,095.72 is: 703,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,927.48 : 1,266,735.84 = 510,095.72 : x
  2. Step 2: Convert to fraction form
    917,927.48/1,266,735.84 = 510,095.72/x
  3. Step 3: Cross multiply
    917,927.48x = 1,266,735.84 × 510,095.72
  4. Step 4: Simplify right side
    917,927.48x = 646,156,530,354.61
  5. Step 5: Solve for x
    x = 646,156,530,354.61/917,927.48
  6. Step 6: Final answer
    x = 703,929.82

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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.