Home / 540,370.18-810,554.12-507,487.24

Finding the Fourth Proportional to 540,370.18, 810,554.12 and 507,487.24

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Solution

The fourth proportional to 540,370.18, 810,554.12 and 507,487.24 is: 761,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,370.18 : 810,554.12 = 507,487.24 : x
  2. Step 2: Convert to fraction form
    540,370.18/810,554.12 = 507,487.24/x
  3. Step 3: Cross multiply
    540,370.18x = 810,554.12 × 507,487.24
  4. Step 4: Simplify right side
    540,370.18x = 411,345,866,639.22
  5. Step 5: Solve for x
    x = 411,345,866,639.22/540,370.18
  6. Step 6: Final answer
    x = 761,229.77

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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.