Home / 858,743.02-1,185,118.86-476,776.18

Finding the Fourth Proportional to 858,743.02, 1,185,118.86 and 476,776.18

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Solution

The fourth proportional to 858,743.02, 1,185,118.86 and 476,776.18 is: 657,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,743.02 : 1,185,118.86 = 476,776.18 : x
  2. Step 2: Convert to fraction form
    858,743.02/1,185,118.86 = 476,776.18/x
  3. Step 3: Cross multiply
    858,743.02x = 1,185,118.86 × 476,776.18
  4. Step 4: Simplify right side
    858,743.02x = 565,036,442,916.76
  5. Step 5: Solve for x
    x = 565,036,442,916.76/858,743.02
  6. Step 6: Final answer
    x = 657,980.83

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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.