Home / 983,480.80-1,475,566.80-352,415.20

Finding the Fourth Proportional to 983,480.80, 1,475,566.80 and 352,415.20

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Solution

The fourth proportional to 983,480.80, 1,475,566.80 and 352,415.20 is: 528,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,480.80 : 1,475,566.80 = 352,415.20 : x
  2. Step 2: Convert to fraction form
    983,480.80/1,475,566.80 = 352,415.20/x
  3. Step 3: Cross multiply
    983,480.80x = 1,475,566.80 × 352,415.20
  4. Step 4: Simplify right side
    983,480.80x = 520,012,168,935.36
  5. Step 5: Solve for x
    x = 520,012,168,935.36/983,480.80
  6. Step 6: Final answer
    x = 528,746.64

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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.