Home / 839,443.32-1,158,397.95-457,461.90

Finding the Fourth Proportional to 839,443.32, 1,158,397.95 and 457,461.90

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Solution

The fourth proportional to 839,443.32, 1,158,397.95 and 457,461.90 is: 631,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,443.32 : 1,158,397.95 = 457,461.90 : x
  2. Step 2: Convert to fraction form
    839,443.32/1,158,397.95 = 457,461.90/x
  3. Step 3: Cross multiply
    839,443.32x = 1,158,397.95 × 457,461.90
  4. Step 4: Simplify right side
    839,443.32x = 529,922,927,163.11
  5. Step 5: Solve for x
    x = 529,922,927,163.11/839,443.32
  6. Step 6: Final answer
    x = 631,278.99

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Double scale
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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.