Home / 977,208.34-1,347,988.50-569,267.20

Finding the Fourth Proportional to 977,208.34, 1,347,988.50 and 569,267.20

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Solution

The fourth proportional to 977,208.34, 1,347,988.50 and 569,267.20 is: 785,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,208.34 : 1,347,988.50 = 569,267.20 : x
  2. Step 2: Convert to fraction form
    977,208.34/1,347,988.50 = 569,267.20/x
  3. Step 3: Cross multiply
    977,208.34x = 1,347,988.50 × 569,267.20
  4. Step 4: Simplify right side
    977,208.34x = 767,365,639,027.20
  5. Step 5: Solve for x
    x = 767,365,639,027.20/977,208.34
  6. Step 6: Final answer
    x = 785,263.09

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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.