Home / 772,158.40-1,158,064.80-507,774.40

Finding the Fourth Proportional to 772,158.40, 1,158,064.80 and 507,774.40

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Solution

The fourth proportional to 772,158.40, 1,158,064.80 and 507,774.40 is: 761,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,158.40 : 1,158,064.80 = 507,774.40 : x
  2. Step 2: Convert to fraction form
    772,158.40/1,158,064.80 = 507,774.40/x
  3. Step 3: Cross multiply
    772,158.40x = 1,158,064.80 × 507,774.40
  4. Step 4: Simplify right side
    772,158.40x = 588,035,658,981.12
  5. Step 5: Solve for x
    x = 588,035,658,981.12/772,158.40
  6. Step 6: Final answer
    x = 761,547.97

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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.