Home / 890,332.02-1,228,631.49-508,284.18

Finding the Fourth Proportional to 890,332.02, 1,228,631.49 and 508,284.18

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Solution

The fourth proportional to 890,332.02, 1,228,631.49 and 508,284.18 is: 701,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,332.02 : 1,228,631.49 = 508,284.18 : x
  2. Step 2: Convert to fraction form
    890,332.02/1,228,631.49 = 508,284.18/x
  3. Step 3: Cross multiply
    890,332.02x = 1,228,631.49 × 508,284.18
  4. Step 4: Simplify right side
    890,332.02x = 624,493,949,416.83
  5. Step 5: Solve for x
    x = 624,493,949,416.83/890,332.02
  6. Step 6: Final answer
    x = 701,416.93

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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.