Home / 983,448.81-1,475,435.72-352,426.41

Finding the Fourth Proportional to 983,448.81, 1,475,435.72 and 352,426.41

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Solution

The fourth proportional to 983,448.81, 1,475,435.72 and 352,426.41 is: 528,733.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,448.81 : 1,475,435.72 = 352,426.41 : x
  2. Step 2: Convert to fraction form
    983,448.81/1,475,435.72 = 352,426.41/x
  3. Step 3: Cross multiply
    983,448.81x = 1,475,435.72 × 352,426.41
  4. Step 4: Simplify right side
    983,448.81x = 519,982,514,866.43
  5. Step 5: Solve for x
    x = 519,982,514,866.43/983,448.81
  6. Step 6: Final answer
    x = 528,733.69

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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.