Home / 983,423.70-1,475,135.55-384,404.40

Finding the Fourth Proportional to 983,423.70, 1,475,135.55 and 384,404.40

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Solution

The fourth proportional to 983,423.70, 1,475,135.55 and 384,404.40 is: 576,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,423.70 : 1,475,135.55 = 384,404.40 : x
  2. Step 2: Convert to fraction form
    983,423.70/1,475,135.55 = 384,404.40/x
  3. Step 3: Cross multiply
    983,423.70x = 1,475,135.55 × 384,404.40
  4. Step 4: Simplify right side
    983,423.70x = 567,048,596,016.42
  5. Step 5: Solve for x
    x = 567,048,596,016.42/983,423.70
  6. Step 6: Final answer
    x = 576,606.60

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Double scale
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Similar ratio
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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.