Home / 977,158.20-1,465,688.70-503,891.40

Finding the Fourth Proportional to 977,158.20, 1,465,688.70 and 503,891.40

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Solution

The fourth proportional to 977,158.20, 1,465,688.70 and 503,891.40 is: 755,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,158.20 : 1,465,688.70 = 503,891.40 : x
  2. Step 2: Convert to fraction form
    977,158.20/1,465,688.70 = 503,891.40/x
  3. Step 3: Cross multiply
    977,158.20x = 1,465,688.70 × 503,891.40
  4. Step 4: Simplify right side
    977,158.20x = 738,547,931,007.18
  5. Step 5: Solve for x
    x = 738,547,931,007.18/977,158.20
  6. Step 6: Final answer
    x = 755,812.04

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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.