Home / 904,455.18-1,248,085.71-502,015.50

Finding the Fourth Proportional to 904,455.18, 1,248,085.71 and 502,015.50

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Solution

The fourth proportional to 904,455.18, 1,248,085.71 and 502,015.50 is: 692,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,455.18 : 1,248,085.71 = 502,015.50 : x
  2. Step 2: Convert to fraction form
    904,455.18/1,248,085.71 = 502,015.50/x
  3. Step 3: Cross multiply
    904,455.18x = 1,248,085.71 × 502,015.50
  4. Step 4: Simplify right side
    904,455.18x = 626,558,371,748.51
  5. Step 5: Solve for x
    x = 626,558,371,748.51/904,455.18
  6. Step 6: Final answer
    x = 692,746.73

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Double scale
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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.