Home / 830,820.63-1,246,454.10-262,223.72

Finding the Fourth Proportional to 830,820.63, 1,246,454.10 and 262,223.72

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Solution

The fourth proportional to 830,820.63, 1,246,454.10 and 262,223.72 is: 393,406.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,820.63 : 1,246,454.10 = 262,223.72 : x
  2. Step 2: Convert to fraction form
    830,820.63/1,246,454.10 = 262,223.72/x
  3. Step 3: Cross multiply
    830,820.63x = 1,246,454.10 × 262,223.72
  4. Step 4: Simplify right side
    830,820.63x = 326,849,824,678.98
  5. Step 5: Solve for x
    x = 326,849,824,678.98/830,820.63
  6. Step 6: Final answer
    x = 393,406.00

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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.