Home / 690,547.46-952,981.23-380,462.66

Finding the Fourth Proportional to 690,547.46, 952,981.23 and 380,462.66

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Solution

The fourth proportional to 690,547.46, 952,981.23 and 380,462.66 is: 525,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,547.46 : 952,981.23 = 380,462.66 : x
  2. Step 2: Convert to fraction form
    690,547.46/952,981.23 = 380,462.66/x
  3. Step 3: Cross multiply
    690,547.46x = 952,981.23 × 380,462.66
  4. Step 4: Simplify right side
    690,547.46x = 362,573,773,695.87
  5. Step 5: Solve for x
    x = 362,573,773,695.87/690,547.46
  6. Step 6: Final answer
    x = 525,052.65

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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.