Home / 773,263.20-1,159,894.80-549,314.40

Finding the Fourth Proportional to 773,263.20, 1,159,894.80 and 549,314.40

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Solution

The fourth proportional to 773,263.20, 1,159,894.80 and 549,314.40 is: 823,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,263.20 : 1,159,894.80 = 549,314.40 : x
  2. Step 2: Convert to fraction form
    773,263.20/1,159,894.80 = 549,314.40/x
  3. Step 3: Cross multiply
    773,263.20x = 1,159,894.80 × 549,314.40
  4. Step 4: Simplify right side
    773,263.20x = 637,146,916,125.12
  5. Step 5: Solve for x
    x = 637,146,916,125.12/773,263.20
  6. Step 6: Final answer
    x = 823,971.60

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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.