Home / 807,078.17-1,113,685.45-496,931.49

Finding the Fourth Proportional to 807,078.17, 1,113,685.45 and 496,931.49

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Solution

The fourth proportional to 807,078.17, 1,113,685.45 and 496,931.49 is: 685,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,078.17 : 1,113,685.45 = 496,931.49 : x
  2. Step 2: Convert to fraction form
    807,078.17/1,113,685.45 = 496,931.49/x
  3. Step 3: Cross multiply
    807,078.17x = 1,113,685.45 × 496,931.49
  4. Step 4: Simplify right side
    807,078.17x = 553,425,368,817.49
  5. Step 5: Solve for x
    x = 553,425,368,817.49/807,078.17
  6. Step 6: Final answer
    x = 685,714.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.