Home / 917,363.60-1,376,045.40-637,427.60

Finding the Fourth Proportional to 917,363.60, 1,376,045.40 and 637,427.60

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Solution

The fourth proportional to 917,363.60, 1,376,045.40 and 637,427.60 is: 956,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,363.60 : 1,376,045.40 = 637,427.60 : x
  2. Step 2: Convert to fraction form
    917,363.60/1,376,045.40 = 637,427.60/x
  3. Step 3: Cross multiply
    917,363.60x = 1,376,045.40 × 637,427.60
  4. Step 4: Simplify right side
    917,363.60x = 877,129,316,813.04
  5. Step 5: Solve for x
    x = 877,129,316,813.04/917,363.60
  6. Step 6: Final answer
    x = 956,141.40

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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.