Home / 790,528.93-1,090,929.69-427,952.52

Finding the Fourth Proportional to 790,528.93, 1,090,929.69 and 427,952.52

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Solution

The fourth proportional to 790,528.93, 1,090,929.69 and 427,952.52 is: 590,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,528.93 : 1,090,929.69 = 427,952.52 : x
  2. Step 2: Convert to fraction form
    790,528.93/1,090,929.69 = 427,952.52/x
  3. Step 3: Cross multiply
    790,528.93x = 1,090,929.69 × 427,952.52
  4. Step 4: Simplify right side
    790,528.93x = 466,866,109,978.32
  5. Step 5: Solve for x
    x = 466,866,109,978.32/790,528.93
  6. Step 6: Final answer
    x = 590,574.35

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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.