Home / 897,424.80-1,346,137.20-645,482.40

Finding the Fourth Proportional to 897,424.80, 1,346,137.20 and 645,482.40

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Solution

The fourth proportional to 897,424.80, 1,346,137.20 and 645,482.40 is: 968,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,424.80 : 1,346,137.20 = 645,482.40 : x
  2. Step 2: Convert to fraction form
    897,424.80/1,346,137.20 = 645,482.40/x
  3. Step 3: Cross multiply
    897,424.80x = 1,346,137.20 × 645,482.40
  4. Step 4: Simplify right side
    897,424.80x = 868,907,870,585.28
  5. Step 5: Solve for x
    x = 868,907,870,585.28/897,424.80
  6. Step 6: Final answer
    x = 968,223.60

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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.