Home / 907,400.72-1,360,810.28-300,075.68

Finding the Fourth Proportional to 907,400.72, 1,360,810.28 and 300,075.68

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Solution

The fourth proportional to 907,400.72, 1,360,810.28 and 300,075.68 is: 450,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,400.72 : 1,360,810.28 = 300,075.68 : x
  2. Step 2: Convert to fraction form
    907,400.72/1,360,810.28 = 300,075.68/x
  3. Step 3: Cross multiply
    907,400.72x = 1,360,810.28 × 300,075.68
  4. Step 4: Simplify right side
    907,400.72x = 408,346,070,121.99
  5. Step 5: Solve for x
    x = 408,346,070,121.99/907,400.72
  6. Step 6: Final answer
    x = 450,017.35

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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.