Home / 935,913.40-1,403,870.10-304,827.21

Finding the Fourth Proportional to 935,913.40, 1,403,870.10 and 304,827.21

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Solution

The fourth proportional to 935,913.40, 1,403,870.10 and 304,827.21 is: 457,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,913.40 : 1,403,870.10 = 304,827.21 : x
  2. Step 2: Convert to fraction form
    935,913.40/1,403,870.10 = 304,827.21/x
  3. Step 3: Cross multiply
    935,913.40x = 1,403,870.10 × 304,827.21
  4. Step 4: Simplify right side
    935,913.40x = 427,937,805,785.42
  5. Step 5: Solve for x
    x = 427,937,805,785.42/935,913.40
  6. Step 6: Final answer
    x = 457,240.82

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.