Home / 983,681.70-1,475,230.95-384,297.90

Finding the Fourth Proportional to 983,681.70, 1,475,230.95 and 384,297.90

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Solution

The fourth proportional to 983,681.70, 1,475,230.95 and 384,297.90 is: 576,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,681.70 : 1,475,230.95 = 384,297.90 : x
  2. Step 2: Convert to fraction form
    983,681.70/1,475,230.95 = 384,297.90/x
  3. Step 3: Cross multiply
    983,681.70x = 1,475,230.95 × 384,297.90
  4. Step 4: Simplify right side
    983,681.70x = 566,928,156,100.01
  5. Step 5: Solve for x
    x = 566,928,156,100.01/983,681.70
  6. Step 6: Final answer
    x = 576,332.93

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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.