Home / 758,640.48-1,140,264-506,814.72

Finding the Fourth Proportional to 758,640.48, 1,140,264 and 506,814.72

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Solution

The fourth proportional to 758,640.48, 1,140,264 and 506,814.72 is: 761,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,640.48 : 1,140,264 = 506,814.72 : x
  2. Step 2: Convert to fraction form
    758,640.48/1,140,264 = 506,814.72/x
  3. Step 3: Cross multiply
    758,640.48x = 1,140,264 × 506,814.72
  4. Step 4: Simplify right side
    758,640.48x = 577,902,579,886.08
  5. Step 5: Solve for x
    x = 577,902,579,886.08/758,640.48
  6. Step 6: Final answer
    x = 761,760.80

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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.