Home / 749,886.81-1,034,818.07-427,700.72

Finding the Fourth Proportional to 749,886.81, 1,034,818.07 and 427,700.72

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Solution

The fourth proportional to 749,886.81, 1,034,818.07 and 427,700.72 is: 590,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,886.81 : 1,034,818.07 = 427,700.72 : x
  2. Step 2: Convert to fraction form
    749,886.81/1,034,818.07 = 427,700.72/x
  3. Step 3: Cross multiply
    749,886.81x = 1,034,818.07 × 427,700.72
  4. Step 4: Simplify right side
    749,886.81x = 442,592,426,295.42
  5. Step 5: Solve for x
    x = 442,592,426,295.42/749,886.81
  6. Step 6: Final answer
    x = 590,212.31

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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.