Home / 666,734.02-920,092.90-360,810.36

Finding the Fourth Proportional to 666,734.02, 920,092.90 and 360,810.36

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Solution

The fourth proportional to 666,734.02, 920,092.90 and 360,810.36 is: 497,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,734.02 : 920,092.90 = 360,810.36 : x
  2. Step 2: Convert to fraction form
    666,734.02/920,092.90 = 360,810.36/x
  3. Step 3: Cross multiply
    666,734.02x = 920,092.90 × 360,810.36
  4. Step 4: Simplify right side
    666,734.02x = 331,979,050,482.44
  5. Step 5: Solve for x
    x = 331,979,050,482.44/666,734.02
  6. Step 6: Final answer
    x = 497,918.27

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1.5x scale

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.