Home / 830,794.86-1,146,498.08-448,821.72

Finding the Fourth Proportional to 830,794.86, 1,146,498.08 and 448,821.72

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Solution

The fourth proportional to 830,794.86, 1,146,498.08 and 448,821.72 is: 619,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,794.86 : 1,146,498.08 = 448,821.72 : x
  2. Step 2: Convert to fraction form
    830,794.86/1,146,498.08 = 448,821.72/x
  3. Step 3: Cross multiply
    830,794.86x = 1,146,498.08 × 448,821.72
  4. Step 4: Simplify right side
    830,794.86x = 514,573,237,998.19
  5. Step 5: Solve for x
    x = 514,573,237,998.19/830,794.86
  6. Step 6: Final answer
    x = 619,374.60

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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.