Home / 926,140.80-1,388,336.40-547,352.40

Finding the Fourth Proportional to 926,140.80, 1,388,336.40 and 547,352.40

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Solution

The fourth proportional to 926,140.80, 1,388,336.40 and 547,352.40 is: 820,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,140.80 : 1,388,336.40 = 547,352.40 : x
  2. Step 2: Convert to fraction form
    926,140.80/1,388,336.40 = 547,352.40/x
  3. Step 3: Cross multiply
    926,140.80x = 1,388,336.40 × 547,352.40
  4. Step 4: Simplify right side
    926,140.80x = 759,909,260,547.36
  5. Step 5: Solve for x
    x = 759,909,260,547.36/926,140.80
  6. Step 6: Final answer
    x = 820,511.59

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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.