Home / 993,010.70-1,488,349.65-459,404.57

Finding the Fourth Proportional to 993,010.70, 1,488,349.65 and 459,404.57

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Solution

The fourth proportional to 993,010.70, 1,488,349.65 and 459,404.57 is: 688,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,010.70 : 1,488,349.65 = 459,404.57 : x
  2. Step 2: Convert to fraction form
    993,010.70/1,488,349.65 = 459,404.57/x
  3. Step 3: Cross multiply
    993,010.70x = 1,488,349.65 × 459,404.57
  4. Step 4: Simplify right side
    993,010.70x = 683,754,630,967.90
  5. Step 5: Solve for x
    x = 683,754,630,967.90/993,010.70
  6. Step 6: Final answer
    x = 688,567.23

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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.