Home / 898,730.98-1,240,256.01-496,322.98

Finding the Fourth Proportional to 898,730.98, 1,240,256.01 and 496,322.98

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Solution

The fourth proportional to 898,730.98, 1,240,256.01 and 496,322.98 is: 684,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,730.98 : 1,240,256.01 = 496,322.98 : x
  2. Step 2: Convert to fraction form
    898,730.98/1,240,256.01 = 496,322.98/x
  3. Step 3: Cross multiply
    898,730.98x = 1,240,256.01 × 496,322.98
  4. Step 4: Simplify right side
    898,730.98x = 615,567,558,846.11
  5. Step 5: Solve for x
    x = 615,567,558,846.11/898,730.98
  6. Step 6: Final answer
    x = 684,929.72

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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.