Home / 673,364.10-1,011,212.55-358,436.10

Finding the Fourth Proportional to 673,364.10, 1,011,212.55 and 358,436.10

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Solution

The fourth proportional to 673,364.10, 1,011,212.55 and 358,436.10 is: 538,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,364.10 : 1,011,212.55 = 358,436.10 : x
  2. Step 2: Convert to fraction form
    673,364.10/1,011,212.55 = 358,436.10/x
  3. Step 3: Cross multiply
    673,364.10x = 1,011,212.55 × 358,436.10
  4. Step 4: Simplify right side
    673,364.10x = 362,455,082,693.06
  5. Step 5: Solve for x
    x = 362,455,082,693.06/673,364.10
  6. Step 6: Final answer
    x = 538,275.03

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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.