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Finding the Fourth Proportional to 497,271.60, 745,907.40 and 371,300.40

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Solution

The fourth proportional to 497,271.60, 745,907.40 and 371,300.40 is: 556,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,271.60 : 745,907.40 = 371,300.40 : x
  2. Step 2: Convert to fraction form
    497,271.60/745,907.40 = 371,300.40/x
  3. Step 3: Cross multiply
    497,271.60x = 745,907.40 × 371,300.40
  4. Step 4: Simplify right side
    497,271.60x = 276,955,715,982.96
  5. Step 5: Solve for x
    x = 276,955,715,982.96/497,271.60
  6. Step 6: Final answer
    x = 556,950.60

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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.