Home / 762,667.56-1,144,002.74-313,075.08

Finding the Fourth Proportional to 762,667.56, 1,144,002.74 and 313,075.08

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Solution

The fourth proportional to 762,667.56, 1,144,002.74 and 313,075.08 is: 469,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,667.56 : 1,144,002.74 = 313,075.08 : x
  2. Step 2: Convert to fraction form
    762,667.56/1,144,002.74 = 313,075.08/x
  3. Step 3: Cross multiply
    762,667.56x = 1,144,002.74 × 313,075.08
  4. Step 4: Simplify right side
    762,667.56x = 358,158,749,345.72
  5. Step 5: Solve for x
    x = 358,158,749,345.72/762,667.56
  6. Step 6: Final answer
    x = 469,613.19

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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.