Home / 906,509.42-1,250,985.51-498,653.06

Finding the Fourth Proportional to 906,509.42, 1,250,985.51 and 498,653.06

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Solution

The fourth proportional to 906,509.42, 1,250,985.51 and 498,653.06 is: 688,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,509.42 : 1,250,985.51 = 498,653.06 : x
  2. Step 2: Convert to fraction form
    906,509.42/1,250,985.51 = 498,653.06/x
  3. Step 3: Cross multiply
    906,509.42x = 1,250,985.51 × 498,653.06
  4. Step 4: Simplify right side
    906,509.42x = 623,807,752,577.16
  5. Step 5: Solve for x
    x = 623,807,752,577.16/906,509.42
  6. Step 6: Final answer
    x = 688,142.60

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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.