Home / 572,730.32-792,080.43-500,985.65

Finding the Fourth Proportional to 572,730.32, 792,080.43 and 500,985.65

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Solution

The fourth proportional to 572,730.32, 792,080.43 and 500,985.65 is: 692,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,730.32 : 792,080.43 = 500,985.65 : x
  2. Step 2: Convert to fraction form
    572,730.32/792,080.43 = 500,985.65/x
  3. Step 3: Cross multiply
    572,730.32x = 792,080.43 × 500,985.65
  4. Step 4: Simplify right side
    572,730.32x = 396,820,929,075.83
  5. Step 5: Solve for x
    x = 396,820,929,075.83/572,730.32
  6. Step 6: Final answer
    x = 692,858.25

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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.