Home / 977,128.80-1,464,526.80-503,570.40

Finding the Fourth Proportional to 977,128.80, 1,464,526.80 and 503,570.40

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Solution

The fourth proportional to 977,128.80, 1,464,526.80 and 503,570.40 is: 754,754.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,128.80 : 1,464,526.80 = 503,570.40 : x
  2. Step 2: Convert to fraction form
    977,128.80/1,464,526.80 = 503,570.40/x
  3. Step 3: Cross multiply
    977,128.80x = 1,464,526.80 × 503,570.40
  4. Step 4: Simplify right side
    977,128.80x = 737,492,346,486.72
  5. Step 5: Solve for x
    x = 737,492,346,486.72/977,128.80
  6. Step 6: Final answer
    x = 754,754.49

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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.