Home / 977,457.40-1,465,494.90-445,233.40

Finding the Fourth Proportional to 977,457.40, 1,465,494.90 and 445,233.40

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Solution

The fourth proportional to 977,457.40, 1,465,494.90 and 445,233.40 is: 667,535.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,457.40 : 1,465,494.90 = 445,233.40 : x
  2. Step 2: Convert to fraction form
    977,457.40/1,465,494.90 = 445,233.40/x
  3. Step 3: Cross multiply
    977,457.40x = 1,465,494.90 × 445,233.40
  4. Step 4: Simplify right side
    977,457.40x = 652,487,277,009.66
  5. Step 5: Solve for x
    x = 652,487,277,009.66/977,457.40
  6. Step 6: Final answer
    x = 667,535.26

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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.