Home / 455,953.02-680,590.86-402,085.68

Finding the Fourth Proportional to 455,953.02, 680,590.86 and 402,085.68

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Solution

The fourth proportional to 455,953.02, 680,590.86 and 402,085.68 is: 600,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,953.02 : 680,590.86 = 402,085.68 : x
  2. Step 2: Convert to fraction form
    455,953.02/680,590.86 = 402,085.68/x
  3. Step 3: Cross multiply
    455,953.02x = 680,590.86 × 402,085.68
  4. Step 4: Simplify right side
    455,953.02x = 273,655,838,744.89
  5. Step 5: Solve for x
    x = 273,655,838,744.89/455,953.02
  6. Step 6: Final answer
    x = 600,184.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.