Home / 652,256.20-977,072.10-371,445.40

Finding the Fourth Proportional to 652,256.20, 977,072.10 and 371,445.40

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Solution

The fourth proportional to 652,256.20, 977,072.10 and 371,445.40 is: 556,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,256.20 : 977,072.10 = 371,445.40 : x
  2. Step 2: Convert to fraction form
    652,256.20/977,072.10 = 371,445.40/x
  3. Step 3: Cross multiply
    652,256.20x = 977,072.10 × 371,445.40
  4. Step 4: Simplify right side
    652,256.20x = 362,928,937,013.34
  5. Step 5: Solve for x
    x = 362,928,937,013.34/652,256.20
  6. Step 6: Final answer
    x = 556,420.83

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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.