Home / 908,916.12-1,254,297.15-495,451.89

Finding the Fourth Proportional to 908,916.12, 1,254,297.15 and 495,451.89

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Solution

The fourth proportional to 908,916.12, 1,254,297.15 and 495,451.89 is: 683,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,916.12 : 1,254,297.15 = 495,451.89 : x
  2. Step 2: Convert to fraction form
    908,916.12/1,254,297.15 = 495,451.89/x
  3. Step 3: Cross multiply
    908,916.12x = 1,254,297.15 × 495,451.89
  4. Step 4: Simplify right side
    908,916.12x = 621,443,893,589.11
  5. Step 5: Solve for x
    x = 621,443,893,589.11/908,916.12
  6. Step 6: Final answer
    x = 683,719.74

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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.