Home / 717,242.81-1,075,364.85-317,666.97

Finding the Fourth Proportional to 717,242.81, 1,075,364.85 and 317,666.97

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Solution

The fourth proportional to 717,242.81, 1,075,364.85 and 317,666.97 is: 476,279.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,242.81 : 1,075,364.85 = 317,666.97 : x
  2. Step 2: Convert to fraction form
    717,242.81/1,075,364.85 = 317,666.97/x
  3. Step 3: Cross multiply
    717,242.81x = 1,075,364.85 × 317,666.97
  4. Step 4: Simplify right side
    717,242.81x = 341,607,895,526.11
  5. Step 5: Solve for x
    x = 341,607,895,526.11/717,242.81
  6. Step 6: Final answer
    x = 476,279.29

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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.