Home / 685,008.18-1,026,390.21-364,820.10

Finding the Fourth Proportional to 685,008.18, 1,026,390.21 and 364,820.10

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Solution

The fourth proportional to 685,008.18, 1,026,390.21 and 364,820.10 is: 546,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,008.18 : 1,026,390.21 = 364,820.10 : x
  2. Step 2: Convert to fraction form
    685,008.18/1,026,390.21 = 364,820.10/x
  3. Step 3: Cross multiply
    685,008.18x = 1,026,390.21 × 364,820.10
  4. Step 4: Simplify right side
    685,008.18x = 374,447,779,051.22
  5. Step 5: Solve for x
    x = 374,447,779,051.22/685,008.18
  6. Step 6: Final answer
    x = 546,632.57

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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.