Home / 713,019.61-1,069,664.28-286,588.63

Finding the Fourth Proportional to 713,019.61, 1,069,664.28 and 286,588.63

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Solution

The fourth proportional to 713,019.61, 1,069,664.28 and 286,588.63 is: 429,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,019.61 : 1,069,664.28 = 286,588.63 : x
  2. Step 2: Convert to fraction form
    713,019.61/1,069,664.28 = 286,588.63/x
  3. Step 3: Cross multiply
    713,019.61x = 1,069,664.28 × 286,588.63
  4. Step 4: Simplify right side
    713,019.61x = 306,553,620,565.14
  5. Step 5: Solve for x
    x = 306,553,620,565.14/713,019.61
  6. Step 6: Final answer
    x = 429,937.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.