Home / 977,005.70-1,465,508.55-471,808.70

Finding the Fourth Proportional to 977,005.70, 1,465,508.55 and 471,808.70

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Solution

The fourth proportional to 977,005.70, 1,465,508.55 and 471,808.70 is: 707,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,005.70 : 1,465,508.55 = 471,808.70 : x
  2. Step 2: Convert to fraction form
    977,005.70/1,465,508.55 = 471,808.70/x
  3. Step 3: Cross multiply
    977,005.70x = 1,465,508.55 × 471,808.70
  4. Step 4: Simplify right side
    977,005.70x = 691,439,683,814.39
  5. Step 5: Solve for x
    x = 691,439,683,814.39/977,005.70
  6. Step 6: Final answer
    x = 707,713.05

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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.