Home / 977,008.40-1,465,721.72-303,075.12

Finding the Fourth Proportional to 977,008.40, 1,465,721.72 and 303,075.12

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Solution

The fourth proportional to 977,008.40, 1,465,721.72 and 303,075.12 is: 454,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,008.40 : 1,465,721.72 = 303,075.12 : x
  2. Step 2: Convert to fraction form
    977,008.40/1,465,721.72 = 303,075.12/x
  3. Step 3: Cross multiply
    977,008.40x = 1,465,721.72 × 303,075.12
  4. Step 4: Simplify right side
    977,008.40x = 444,223,786,175.61
  5. Step 5: Solve for x
    x = 444,223,786,175.61/977,008.40
  6. Step 6: Final answer
    x = 454,677.55

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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.