Home / 688,501.46-950,113.16-382,569.97

Finding the Fourth Proportional to 688,501.46, 950,113.16 and 382,569.97

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Solution

The fourth proportional to 688,501.46, 950,113.16 and 382,569.97 is: 527,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,501.46 : 950,113.16 = 382,569.97 : x
  2. Step 2: Convert to fraction form
    688,501.46/950,113.16 = 382,569.97/x
  3. Step 3: Cross multiply
    688,501.46x = 950,113.16 × 382,569.97
  4. Step 4: Simplify right side
    688,501.46x = 363,484,758,829.67
  5. Step 5: Solve for x
    x = 363,484,758,829.67/688,501.46
  6. Step 6: Final answer
    x = 527,936.07

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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.