Home / 757,638.32-1,045,565.34-430,942.93

Finding the Fourth Proportional to 757,638.32, 1,045,565.34 and 430,942.93

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Solution

The fourth proportional to 757,638.32, 1,045,565.34 and 430,942.93 is: 594,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,638.32 : 1,045,565.34 = 430,942.93 : x
  2. Step 2: Convert to fraction form
    757,638.32/1,045,565.34 = 430,942.93/x
  3. Step 3: Cross multiply
    757,638.32x = 1,045,565.34 × 430,942.93
  4. Step 4: Simplify right side
    757,638.32x = 450,578,995,807.45
  5. Step 5: Solve for x
    x = 450,578,995,807.45/757,638.32
  6. Step 6: Final answer
    x = 594,715.16

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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.