Home / 745,328.59-1,028,584.37-423,068.68

Finding the Fourth Proportional to 745,328.59, 1,028,584.37 and 423,068.68

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Solution

The fourth proportional to 745,328.59, 1,028,584.37 and 423,068.68 is: 583,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,328.59 : 1,028,584.37 = 423,068.68 : x
  2. Step 2: Convert to fraction form
    745,328.59/1,028,584.37 = 423,068.68/x
  3. Step 3: Cross multiply
    745,328.59x = 1,028,584.37 × 423,068.68
  4. Step 4: Simplify right side
    745,328.59x = 435,161,825,862.39
  5. Step 5: Solve for x
    x = 435,161,825,862.39/745,328.59
  6. Step 6: Final answer
    x = 583,852.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.