Home / 992,995.58-1,488,326.96-459,389.45

Finding the Fourth Proportional to 992,995.58, 1,488,326.96 and 459,389.45

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Solution

The fourth proportional to 992,995.58, 1,488,326.96 and 459,389.45 is: 688,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,995.58 : 1,488,326.96 = 459,389.45 : x
  2. Step 2: Convert to fraction form
    992,995.58/1,488,326.96 = 459,389.45/x
  3. Step 3: Cross multiply
    992,995.58x = 1,488,326.96 × 459,389.45
  4. Step 4: Simplify right side
    992,995.58x = 683,721,697,281.41
  5. Step 5: Solve for x
    x = 683,721,697,281.41/992,995.58
  6. Step 6: Final answer
    x = 688,544.56

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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.