Home / 971,285.40-1,456,928.10-306,437.40

Finding the Fourth Proportional to 971,285.40, 1,456,928.10 and 306,437.40

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Solution

The fourth proportional to 971,285.40, 1,456,928.10 and 306,437.40 is: 459,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,285.40 : 1,456,928.10 = 306,437.40 : x
  2. Step 2: Convert to fraction form
    971,285.40/1,456,928.10 = 306,437.40/x
  3. Step 3: Cross multiply
    971,285.40x = 1,456,928.10 × 306,437.40
  4. Step 4: Simplify right side
    971,285.40x = 446,457,258,950.94
  5. Step 5: Solve for x
    x = 446,457,258,950.94/971,285.40
  6. Step 6: Final answer
    x = 459,656.10

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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.