Home / 910,048.64-1,255,810.44-502,153.76

Finding the Fourth Proportional to 910,048.64, 1,255,810.44 and 502,153.76

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Solution

The fourth proportional to 910,048.64, 1,255,810.44 and 502,153.76 is: 692,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,048.64 : 1,255,810.44 = 502,153.76 : x
  2. Step 2: Convert to fraction form
    910,048.64/1,255,810.44 = 502,153.76/x
  3. Step 3: Cross multiply
    910,048.64x = 1,255,810.44 × 502,153.76
  4. Step 4: Simplify right side
    910,048.64x = 630,609,934,293.25
  5. Step 5: Solve for x
    x = 630,609,934,293.25/910,048.64
  6. Step 6: Final answer
    x = 692,940.91

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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.