Home / 751,501.08-1,037,113.20-429,315.78

Finding the Fourth Proportional to 751,501.08, 1,037,113.20 and 429,315.78

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Solution

The fourth proportional to 751,501.08, 1,037,113.20 and 429,315.78 is: 592,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,501.08 : 1,037,113.20 = 429,315.78 : x
  2. Step 2: Convert to fraction form
    751,501.08/1,037,113.20 = 429,315.78/x
  3. Step 3: Cross multiply
    751,501.08x = 1,037,113.20 × 429,315.78
  4. Step 4: Simplify right side
    751,501.08x = 445,249,062,406.30
  5. Step 5: Solve for x
    x = 445,249,062,406.30/751,501.08
  6. Step 6: Final answer
    x = 592,479.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.