Home / 829,500.12-1,242,256.95-473,434.65

Finding the Fourth Proportional to 829,500.12, 1,242,256.95 and 473,434.65

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Solution

The fourth proportional to 829,500.12, 1,242,256.95 and 473,434.65 is: 709,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,500.12 : 1,242,256.95 = 473,434.65 : x
  2. Step 2: Convert to fraction form
    829,500.12/1,242,256.95 = 473,434.65/x
  3. Step 3: Cross multiply
    829,500.12x = 1,242,256.95 × 473,434.65
  4. Step 4: Simplify right side
    829,500.12x = 588,127,484,333.32
  5. Step 5: Solve for x
    x = 588,127,484,333.32/829,500.12
  6. Step 6: Final answer
    x = 709,014.35

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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.