Home / 992,931.80-1,489,455.30-283,011.80

Finding the Fourth Proportional to 992,931.80, 1,489,455.30 and 283,011.80

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Solution

The fourth proportional to 992,931.80, 1,489,455.30 and 283,011.80 is: 424,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,931.80 : 1,489,455.30 = 283,011.80 : x
  2. Step 2: Convert to fraction form
    992,931.80/1,489,455.30 = 283,011.80/x
  3. Step 3: Cross multiply
    992,931.80x = 1,489,455.30 × 283,011.80
  4. Step 4: Simplify right side
    992,931.80x = 421,533,425,472.54
  5. Step 5: Solve for x
    x = 421,533,425,472.54/992,931.80
  6. Step 6: Final answer
    x = 424,534.12

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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.