Home / 634,465.10-875,575.47-347,984.51

Finding the Fourth Proportional to 634,465.10, 875,575.47 and 347,984.51

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Solution

The fourth proportional to 634,465.10, 875,575.47 and 347,984.51 is: 480,226.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,465.10 : 875,575.47 = 347,984.51 : x
  2. Step 2: Convert to fraction form
    634,465.10/875,575.47 = 347,984.51/x
  3. Step 3: Cross multiply
    634,465.10x = 875,575.47 × 347,984.51
  4. Step 4: Simplify right side
    634,465.10x = 304,686,697,823.03
  5. Step 5: Solve for x
    x = 304,686,697,823.03/634,465.10
  6. Step 6: Final answer
    x = 480,226.09

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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.