Home / 971,353.80-1,457,030.70-909,145.80

Finding the Fourth Proportional to 971,353.80, 1,457,030.70 and 909,145.80

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Solution

The fourth proportional to 971,353.80, 1,457,030.70 and 909,145.80 is: 1,363,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,353.80 : 1,457,030.70 = 909,145.80 : x
  2. Step 2: Convert to fraction form
    971,353.80/1,457,030.70 = 909,145.80/x
  3. Step 3: Cross multiply
    971,353.80x = 1,457,030.70 × 909,145.80
  4. Step 4: Simplify right side
    971,353.80x = 1,324,653,341,376.06
  5. Step 5: Solve for x
    x = 1,324,653,341,376.06/971,353.80
  6. Step 6: Final answer
    x = 1,363,718.70

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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.