Home / 994,381.20-1,492,090.20-433,472.40

Finding the Fourth Proportional to 994,381.20, 1,492,090.20 and 433,472.40

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Solution

The fourth proportional to 994,381.20, 1,492,090.20 and 433,472.40 is: 650,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,381.20 : 1,492,090.20 = 433,472.40 : x
  2. Step 2: Convert to fraction form
    994,381.20/1,492,090.20 = 433,472.40/x
  3. Step 3: Cross multiply
    994,381.20x = 1,492,090.20 × 433,472.40
  4. Step 4: Simplify right side
    994,381.20x = 646,779,920,010.48
  5. Step 5: Solve for x
    x = 646,779,920,010.48/994,381.20
  6. Step 6: Final answer
    x = 650,434.58

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1.5x scale

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.