Home / 977,031.40-1,465,719.90-346,311.40

Finding the Fourth Proportional to 977,031.40, 1,465,719.90 and 346,311.40

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Solution

The fourth proportional to 977,031.40, 1,465,719.90 and 346,311.40 is: 519,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,031.40 : 1,465,719.90 = 346,311.40 : x
  2. Step 2: Convert to fraction form
    977,031.40/1,465,719.90 = 346,311.40/x
  3. Step 3: Cross multiply
    977,031.40x = 1,465,719.90 × 346,311.40
  4. Step 4: Simplify right side
    977,031.40x = 507,595,510,576.86
  5. Step 5: Solve for x
    x = 507,595,510,576.86/977,031.40
  6. Step 6: Final answer
    x = 519,528.35

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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.