Home / 830,006.10-1,245,009.15-604,307.70

Finding the Fourth Proportional to 830,006.10, 1,245,009.15 and 604,307.70

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Solution

The fourth proportional to 830,006.10, 1,245,009.15 and 604,307.70 is: 906,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,006.10 : 1,245,009.15 = 604,307.70 : x
  2. Step 2: Convert to fraction form
    830,006.10/1,245,009.15 = 604,307.70/x
  3. Step 3: Cross multiply
    830,006.10x = 1,245,009.15 × 604,307.70
  4. Step 4: Simplify right side
    830,006.10x = 752,368,615,915.46
  5. Step 5: Solve for x
    x = 752,368,615,915.46/830,006.10
  6. Step 6: Final answer
    x = 906,461.55

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Double scale
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Similar ratio
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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.