Home / 885,946.80-1,328,045.40-352,756.20

Finding the Fourth Proportional to 885,946.80, 1,328,045.40 and 352,756.20

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Solution

The fourth proportional to 885,946.80, 1,328,045.40 and 352,756.20 is: 528,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,946.80 : 1,328,045.40 = 352,756.20 : x
  2. Step 2: Convert to fraction form
    885,946.80/1,328,045.40 = 352,756.20/x
  3. Step 3: Cross multiply
    885,946.80x = 1,328,045.40 × 352,756.20
  4. Step 4: Simplify right side
    885,946.80x = 468,476,248,731.48
  5. Step 5: Solve for x
    x = 468,476,248,731.48/885,946.80
  6. Step 6: Final answer
    x = 528,785.98

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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.