Home / 983,780.62-1,472,337.90-604,941.31

Finding the Fourth Proportional to 983,780.62, 1,472,337.90 and 604,941.31

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Solution

The fourth proportional to 983,780.62, 1,472,337.90 and 604,941.31 is: 905,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,780.62 : 1,472,337.90 = 604,941.31 : x
  2. Step 2: Convert to fraction form
    983,780.62/1,472,337.90 = 604,941.31/x
  3. Step 3: Cross multiply
    983,780.62x = 1,472,337.90 × 604,941.31
  4. Step 4: Simplify right side
    983,780.62x = 890,678,017,988.65
  5. Step 5: Solve for x
    x = 890,678,017,988.65/983,780.62
  6. Step 6: Final answer
    x = 905,362.44

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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.